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If you like this instructable please vote for it in the Epilog Challenge coming up. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. I hope you enjoy and please rate and vote.

This Instructable will show you how to construct a turbine from reused parts and a couple of new materials. This turbine can achieve speeds of up to and possibly accede 15,000-20,000 running speed rpm's and top rpm's reaching around 30,000 to 35,000. This project can be run on about 40 psi but I have run mine on up to 100 psi and it will really started to scream (I would not sugest running it with that much pressure for more than a few seconds, I was just testing it to see what it could do, it was very dangerous and it could have or was close to flying apart). But to make this project even greener you could run it on steam. Or put it downstream and direct water flow to it and run it just as a hydroelectric plant, this turbine is very strong and versitile. Also please rate this instructable.

The reason for making this instructable is because I have been scanning the internet and to make one of these and the outcome of it will either not look very nice or they are very hard to find materials to make them or the materials are too expensive and usually the directions are very complicated and leave parts out. If any of you feel that I have left any parts out please leave a comment and I will try to put them into my instructable and if you have any trouble with any of this please make me aware of it and I will help you out.***PLEASE READ THROUGH THE ENTIRE INSTRUCTABLE BEFORE STARTING YOUR BUILD.

Also something that I would love to see done is to have someone build a boiler, this turbine and a small r/c vehicle that could be powered by this. You could even put a generator on the turbine to power the electronic parts of the car. Although you would need to gear it down a bit so it has more torque and less rpm's but if anyone does this or has seen it done please let me know so I can see it.

I am not liable for your versions of this and for this failing horribly and hurting someone so please do not run this on any more than about 70 psi and don't run it too long with that much pressure it will spin at around 15,000 rpm's at about 40 psi which should be good enough unless you are showing it off to friends or family, then crank it up but don't blow it up.

***Update, After seeing what this project could do I am now deciding what kind of motor to put onto this to actually power something and I am working on a copper exhaust system that will come together like the headers of a car to direct the exhaust flow upwards instead of straight out. I will be putting on how to build and attach these things within the next two to three weeks. I will post sometime soon.

Step 1: Parts

Here is a picture of all of the parts and tools needed for the construction of your turbine. 10 hard drives, which if you go to your local high school they will willingly give you however many hard drives that you want just be polite and let them know what you are doing with them (you only need nine but just in case you mess up). You will then need two pieces of 1/4 inch plexi-glass that are 7x7 inches. Then about a 2.2 " piece of 4 inch diameter schedule 40 pvc pipe and if you want you may be able to find clear pipe for a better look. An exacto-knife or sharp knife. Safety glasses. A small bench-top lathe or mini-lathe. Then eight bolts that are 31/2 inches long and anywhere from 1/4 to 3/4(which is unnecessary but if that is what you have go ahead) inches in diameter. Then you will need 8 bolts and 16 washers to go along with them. Also, you will need some tubing; I am using 3/8 inch id 3/4 inch od plastic tubing. Then you should have two bearing and part of you project will be based on these so I chose two 1/4 inch id bearings with 5/8 inch od. These are Fafnir S1KDD7 bearings. You will then need some precision measuring equipment such as a micrometer and a good ruler. And on your lathe you should have a tailstock with a dead center or live center. And a 6-7 inch piece of 1-1/2 inch diameter Aluminum. The only parts out of the hard drive that you will be using are the platters and the spacer rings so save them and you can throw the rest out or save the very strong magnets in them for another project. I forgot to mention you do not need to have the same size bearings as I do just whatever you have lying around. But I have found that the smaller they are the higher speeds they can handle and if I were you I would not go under a 1/4 inch inner diameter. You should also have a set of drills and a drill. Just to be clear here is a list of materials. See pictures if you have trouble understanding what anything is.

Materials

-10 hard drives (local high school [tech department])
-8 bolts (I will be using 5/16) (hardware store or look around your house for some laying around)
-8 nuts (I will be using 5/16) (hardware store or look around your house)
-16 washers with a 5/16 hole in them (hardware store or look around your house)
-Some 4" pvc pipe (The finish length will have to be 2.2") (hardware store or ask a local plumber ,it is a small amount so they may give it to you for free just remember to be polite)
-2 pieces of plexi-glass that are 7x7" (hardware store)
-1 pieces of 1-1/2" diameter aluminum 6-7" long (probably will have to order off the internet like I did)
-2 ball bearing I am using some with an inner diameter of 1/4" and outer diameter of 5/8" (hardware store, you do not have to use the exact ones I am)
-About a foot of plastic tubing (hardware store)
-JB Weld (hard ware store but you can use almost any strong glue you have around such as super glue)
-Silicon sealant (automotive store, ex. Advance Auto Parts or maybe Lowes or a hardware store will have it) if you don't know what this is there is a picture of it in here

Tools

-Exacto-knife (almost any store)
-Safety glasses (almost any store)
-Some kind of lathe (I am using a South Bend) with a tailstock and dead center or live center (if you do not have a lathe try to get a machine shop to do it for you but you will have to pay them depending on the owner anywhere from $10 to $60 where I work you might get it done for $20)
-A micrometer and precision ruler (order off the internet buy a good brand don't cheap out so it will last a while if you do not have one but if you are giving it to a machine shop to do don't worry about these)
-A set of drills (hardware store)
-A drill press or milling machine would be nice but a hand drill will be fine (you probably know someone that has one that would let you use it if you do not have one)

Extras

-Krylon spray paint (hardware store)
-Lock nuts instead of regular nuts listed above in the materials section (hardware store)

Step 2: Make the Shank

This part will be very easy for anyone with some machining experience, for instance I am 15 and just purchased a South Bend benchtop lathe and this entire project was done with this. I will put some machinist drawings in to make this part of the project much easier. This took me about 7 hours on the lathe to make so make sure you have some time. This is where you with be using the 1-1/2 inch aluminum. You should put this piece into your lathe in between the chuck and the tailstock. Just follow the drawings for this step. Also the two ends of this shank will be fit into the bearings so machine them to the inner diameter of your bearing not mine, unless they are the same size, in that case make it like mine. Please click on the Machinist Layout file to get the dimensions of this part. Also if you have any trouble understanding these dimensions please contact me and I will try to help you out. Note that this picture is not drawn to scale.

Step 3: Retaining Ring

This ring will be the exact same size as the larger portion of the shank. All this will do is ensure that all of the hard drive platters and rings will stay onto the shank. I will once again put a machinist's diagram into the pictures to make it easier to understand. In this piece you will also have to drill and tap a hole for an 8-32 set screw. This will make sure that the ring does not come off. Again if you have any problems understanding the image please contact me. This picture is also not drawn to scale.

Step 4: Drill Holes in Hard Drive Platters

The drilling of these holes should be fairly easy, all you will need for this is a drill press, but a milling machine would make it easier. I just used a drill press. You will need to drill eight holes 25 mm from the center of the hard drive disk. These holes will be spaced 45 degrees apart. You can easily plot this out on a piece of graph paper with a protractor before you drill it to ensure it is correct spacing and everything. And it is ok if the holes are not at the exact space on every disk because they are not on mine and it works just fine; just make sure they are no more that .030" difference. When drilling these holes remember to use a sheet metal drill unless you figure out a way to keep them all together while drilling, because it will warp your hard drives. Also you may want to look at the hard drive layout file for some help on what to do to lay it out. You will need to make eight of these. Ohya and use a 3/8" drill bit for this. Also do not use the diagram that I made because the holes on that are too far off the make this project be same, it WILL be off-balanced if you were to use that it is just an example to help you.

Step 5: Drill Holes in Plexi-glass

This step will be based on the bolts that you used and the bearings that you used but it will consist of an eight hole pattern with the holes spaced 45 degrees apart just like the hard drives. Then you will drill a hole in the center of the sheet of 7x7" plexi-glass, I drilled a 5/8 inch hole because of my bearings and then you can just drill an appropriate sized hole for your bearings. In only one of the pieces of plexi-glass you will need to drill a few holes around the center hole for exhaust ports. The larger the hole the larger the high rpm's horsepower and the smaller the holes the more low rpm torque. I drilled four 3/8 inch hole around the center, 25 mm out from the center, so you could use the same pattern you did for your hard drive disks just skip every other hole. And four 3/8" hole is about right in the middle of the two rpm ratios. Also, use a 3/8 inch bit for the eight hole for the bolts to go through if you are using 5/16 bolts like me. These holes are 2.5" from the outside of the 5/8 inch hole you drilled in the center or if you did not drill a 5/8 inch hole they are 2.8125" from the center. This is another eight hole pattern like for the disks so like I said before space them 45 degrees apart.

Step 6: Cut Pipe and Drill Air Inlet

Cut your pvc pipe to 2.2" and then drill a hole the size of your tubing into the middle of your pvc pipe and offset it a little bit so it is at an angle so that when the air enters it, it immediately starts spinning inward. Once this pipe is cut to make sure the whole end surface is even, take it on the lathe and face it off until smooth, then take some 600 grit sandpaper and smooth the ends so no air can escape when the plexi-glass is put onto the ends. If you want to skip the sanding then just put some silicon or mopar sealer around the ends to keep the air from seeping out. On my project I did not do this, I just sanded it because in my opinion it gives it a better appearance. This step is pretty self explanatory.

Step 7: Put Bearings Onto Shank

When putting the bearings onto the shank just make sure to put some jb weld or some super glue on the inside of the bearing so it will not move once assembled, just put the glue on during the assembly process so everything lines up correctly. Remember that it will be spinning at around 15,000 rpm so if it would slip or run out of the bearing it would be very bad. These do not need to be put at any set position but when you do this make sure that they are not right up against the larger parts of the shank, I designed this so the bearings can have a little bit of room so do a dry assembly first to make sure everything fits then glue everything. And make sure that the bearings line up with the plexi-glass sheets you want them about centered in the plexi-glass, not too far in or too far out.

Step 8: Assembly

First put one of the hard drive disks that you have not drilled onto the shank. Then layer them with a spacer from the hard drive and then put a disk with the holes drilled in it, spacer, disk, spacer, disk and so one until you end up with just a spacer on the end(After you do a dry assembly then put a few drops of superglue between each disk and spacer so they will not spin on the shank, that is not what we want them to do. After you do this put the retaining ring on and tighten up the set screw. Once this is done you can put the rest of it together. The last picture in this setting is the assembled shank and disks sorry I do not have a better picture.

After this is done then take the piece of plexi-glass without the exhaust ports in it and put the eight bolts into the hole you drilled previously. Then flip this piece over so the bolt heads are on the bench or table you are using. Then lay the pvc pipe onto the piece of plexi-glass with the assembly of the shank and disks (look at the extras section first). Then you should take the other piece of plexi-glass (the one with the exhaust ports) and slide it onto the eight bolts that should be standing strait up now. After that take the last eight washers and slip them onto the bolts. Then put the eight nuts onto the bolts. The project should now be coming together. Then once you tighten up the nuts (remember to put the bearings exactly where you want them and then center your pvc pipe around the disks before tightening the nuts) then put your piece of tubing into the previously drilled hole and put a plentiful amount of silicon sealer all around the tube and the hole so no air will leak out from this area. Then put the appropriate air fitting that you have on the other end of your tube and you are ready to run it after the glue dries of course. On to taking it further.

Step 9: Taking It Further

Now what you may want to do and you may have noticed in the previous steps that throughout the instructable my pvc pipe transitioned from plain white to blue. If you plan on painting your project do this before assembly. I used Krylon because it is in my opinion the best spray paint out there and it will bond to anything.

Another thing to help your project stay together but is not necessary is to use lock nuts instead of regular nuts. I did switch over and use these after I thought about it for a while and I believe it will help to keep your project together longer.

Also one thing that I did not do and I am now wishing I did is polish the ends of my plexi-glass. This is something that I do not know how to do but I imagine that you should be able to easily find it somewhere on the internet.

Something else you may consider is making a steam boiler. This is something that I know how to do but it will take another instructable so if I get enough responses for me to make this I will so if you would like to see one on Instructables please let me know.

You may also want to make a Tesla pump which is just about the exact same thing as this except the water or fluid will enter from the exhaust ports and will exit from where we are putting the air inlet which is where the plastic tube is. Once again I am sorry but I do not know how to make one of these but If you do let me know of the site and I will post a link on how to do this, same for polishing the ends of the plexi-glass. And your turbine could power this too.

These are just add-ons so do not feel that you have to do these things to make your turbine run because I have only painted mine and made a boiler for it which make this project very green. Speaking of that you could also add on a small D.C. generator of some sort and light some L.E.D.'s with it and having your project run something else always makes it look better, please if any of you make one of these send me a picture and I will dedicate a section to all of you that make one.

***Note: you may want to make a ball valve system so you can quickly shut it off if something were to go wrong and it makes it nice to be able to control the speed if you want to I have a picture of this if you want to see mine.

Step 10: Copper Air Input Instead of Plastic Tubing

To make your finished turbine look better with a copper air input instead of a plastic tubing one you will need the following materials.

Materials

-9" of 1/2" copper pipe
-Pipe cutter
-45 degree copper coupling
-90 degree copper coupling
-Air fitting
-Coupling with threads to fit your air fitting
-Torch
-Solder
-Soldering paste
-Mothers mag and aluminum polish and a rag if you want to polish your cooper
-Teflon tape
-Silicon
-1/2" fasteners for copper pipe

Ok to start we will have to cut our old tubing about 2 inches out. And since that tubing fits perfectly into the 1/2" copper pipe will just slide it right over the tube that is already there so we do not have to drill out our pvc and take the whole turbine apart. Now cut your copper pipe into the following lengths: 5", 3", and 1/2". At this point in time put some teflon tape around your air fitting and thread it into the copper coupling with the threads. Now take the 5" copper pipe you previously cut and put some soldering paste onto it and slip it into the other end of the coupling with the air fitting in. Now fire up the torch and solder these two pieces together.

Take the 3" piece of copper pipe and solder the 45 degree coupling onto it. On the other end of the 45 degree coupling solder the piece of copper pipe that is 1/2" long (this is for the plastic tubing to fit into; it will not be a snug fit into just the coupling so we have to do this unless you want to waste a large amount of glue sealing the two together). Then on the other end of that same pipe solder the 90 degree coupling on.

Now take the 5" copper pipe with the air fitting on it and solder that to the 90 degree coupling that is already attached onto the other pipe. The copper pieces are now all together.

(***Skip this step if you do not want to polish your copper pipe) With all of the pieces of copper together take some mothers polish (if you want to) and polish the copper (I prefer a shiny finish because it will draw more people into looking at what you have really done).

Now slide your tubing into the copper pipe and re-silicon anything if it breaks loose and also put a little bit of silicon inside the copper pipe in the 45 degree angle piece so it make a better seal. Now let this dry overnight. Now that you have done this your project will look much better. Also if you see the pictures with the tape on them it is just holing the copper pipe there until I get some fasteners. But if you have already gotten them fasten away.


<p>Hi. What volume of air (@ 40psi) did you use at top speed and what was the power output (if measured)? Or does the turbine just free wheel? </p>
<p>What should be the hard drive material...?</p>
Ok, havent made it yet, thinking on using tgis in accomplishing our self sustaining lifestyle.....question though, what did you use for the retaining ring? I did not see it in the list of materials? Great job btw, 15 and doing this, absolutely amazing!
<p>What should be the working fluid....? </p>
<p>has anyone tried, giving the disc plates an airfoil shape to increase the airflow speed?</p>
<p>http://www.wisewaypelletstove.com/stove-specs.html</p>
<p>Tesla was incredible. What you have here really interests me. Thanks for sharing.</p><p>I have a non electric gravity fed pellet stove that I heat my house with all winter. It has an attachment capable of producing 160 degrees of constant steam that could be used to power this type of turbine.</p><p>If I were to use this with the turbine do you think I could run my house with this set up adding a couple of pulleys to increase the torque and an electric motor.</p><p>Would it produce enough power to run 3 appliances water heater, dryer, and stove requiring 220?</p><p>Would it be capable of running lights, fridge, TV's, computers?</p><p>My average electric bill is $200.00 I think the KW per HR is about 8 cents.</p><p>Any feedback would be appreciated.</p>
<p>Do I need to make the shaft out of aluminum, for I have 1/4 round stock</p>
<p>im sure you'll build it yourself. I made it 2 weeks ago thanks to inplix website.</p>
i'm new to this field and i was wondering if it would be possible to adapt the tesla turbine to produce energy for things such as household appliances
I believe the answer to this would be yes, of coarse not one this small but for a larger scale version and a good alternator, I wouldn't see why not correct me if I am wrong.
If you stick to Tesla's designs, this is true. GM changed the star washers to a winglet shape, got over 200 mpg at highway speeds from a 9 inch turbine, and a top speed of 135 mph, getting over 100 mpg at top speed. Think outside the box here. I changed the star washers to compression plates feeding what is typically the exhaust ports, having a cone to pre-compress the working fluid before entering the disk pack and compression plates. This will radically increase horspower, stand up to much higher pressures under load, and produce a lot of torque. So much torque it is classified from my patent search I did. Take it another step. Tesla was denied a patent for a transmission he designed using his pump and turbine. Yet power plants use this very design to pump fly ash through a 21 stage vacumn system, 14 inch dia. pipe, 40 ft long to reach trucks outside very rapidly. That is just a 6 inch design using steam power. Hit it with vegetable oil for your fluid, use a 14 inch pump powered by a 5 HP electric motor, or 10 HP gas engine, and dump the oil into a pump acting like a turbine or modified torque converter is more like it. I'll give you a hint, you'll have so much torque, conventional clutches can not withstand the stress, you must use a magnetic clutch. Since you are using such, might as well make a full time regenerative system with the other side of the magnets in a brushless generator application from the turbine shaft drive. I've done a lot of homework as you can also see on the Tesla turbine. Let's just call it a modified hydrostatic drive for Electric vehicles. Remember this, the Tesla pump application produces 5 times the pressure with fluid transfer than any other pump can. Given that fact, the frictional heat can be tapped at the hydrostatic drive casing to boil and run a secondary system. I prefer household ammonia and a teflon coating on the housing reaching 300-350 degrees F. temps. Basically an ammonia absorbtion cooling system you can cool with or heat with. Cold side drops to minus 50 and you already know the heat side, for your vehicle interior comfort. Find the happy medium and set it at those parameters. There's only one reason Tesla would be denied a patent on such an item as his transmission design. Do the homework, or strain the brain and figure out why they denied a man who never tried to patent something that didn't work, and you'll see something amazing. That is just his version of the design, not my modified turbine design, which has far more output power. I've got 26 years of research and development behind me that says I have done my homework too. I've had some major setbacks in my project for my electric car design because of health problems. I've survived 5 massive heart attacks, a quadruple by pass that didn't go well, followed by complications that provoked a pacemaker/defibrillator implant to be stuck in me, and yes it has lit me up 11 times full power. I now have nightmares I am getting lit up full power, rude way to wake up. A stroke, and 3 mini strokes. Then heart failure hit me twice last summer. I was walking 4-8 miles a day before the heart failure. Now, I'm lucky to make it around inside a grocery store, and don't even think of making me walk around a Walmart Store. Won't happen. I haven't given up the dream of seeing my designs become realities. To increase the torque and horsepower of your existing work, continue to use the input as you have created, vs. what I do. Make compression plates that vent the airflow to the exhaust holes. At the outer edge, reduce to 1/3rd the size of your exhaust port hole for each hole. This will give you maximum thrust in this arrangement. If you want to increase it even more, curve the compression slot with a 10 degree offset from your input on the outer edge to increase the HP and torque even greater. These compression plates deal with the low torque problem Tesla's design has. It is and was a good start for us to consider. I seriously wonder if he realized this also and made such a design as I mention, we just never got to learn about it. Just like his transmission design. For a turbine application for driving a generator or EV, do not exceed an 11 inch turbine. When you gear down, your torque becomes phenomenal in output. I would not exceed a 36 inch pump for an 11 inch turbine drive unit. Best wishes, and good luck with what you are trying to do. I hope I was helpful. Some secrets were never meant to remain such or taken to a grave. Just because I can't finish my dream, doesn't mean someone else can't have a chance to finish it and enjoy it. Maybe now you can conceive why an electromotive train can achieve 200 mpg fuel economy with an engine that has 6, 16 inch cylinders to drive an alternator to charge the batteries? We are choked by economic slavery to the special interests groups who desire to keep us struggling to survive. They foolishly wiped out the middle class society, divided us as a nation and we fell, just like our pledge of allegiance says. Or, "United we stand, divided we fall." We have fell, and do nothing to try and get back up except share all these instructables with each other for those of us who do want economic freedom from those who keep us oppressed. When did we fall? When the nation was split between Republicans and Democrats. Now it goes far beyond that. Liberals, conservatives, right wing, left wing, socialists, and more. Point is made. We will only survive if we use our wits and gifts to collectively achieve our common goal here on instructables. To change the way things are now. One person at a time. My designs take things to extreme eff. to help me gain grid free lifestyle, with more energy than I would ever use. I can't finish my work alone now living on disability alone. It would be nice to see my dream technologies become realities before I croak.
You better make an inscrutable your self, or a Vid
<p>Are you still with us? I truly hope so. It will be a shame when your bright mind goes elsewhere. If you are 'still kickin' please contact me at scshell@att.net so that I can communicate to you a medical breakthroughs, that I think have a very good chance of helping you. I am not involved with this medical group (from Japan), in any way, nor is there any way for me to profit.</p><p>I simply pray that you are still here and that there is yet time, the most valuable thing in the universe! (that may not exist)</p><p>All that you have said about the special interest groups that have choked our economy is just as true about the medical business where we no longer have 'healers' just men with sheep skin diplomas that push pills. The methodology I refer to simulates the immune system to do what it should have in the first place and fix what's wrong. You referred briefly about extraordinary engineering that you have seen. The same can happen in medicine when the body heals itself.</p><p>Steve</p>
can I ask something? In all the turbines I see they don't care about the shape of the holes. I understand that as meaning we are not interested in friction but the vortex effect doing the &quot;work&quot; as it were. Yet if you look at his original design the entrance for the vortex is curved. More interestingly they are not curved in a logical manner and with the spin (which would be the case if we did want friction) but against the not allow the fluid in. This looks very similar to the one way valve design in another of his patents. I really feel they is an important and overlooked part of the design.
<p>I AM VERY INTRESTED in what you have in mind im 24 years old I live in texas I hope you were able to overcome your health problems if you are in close proximity to my location I would love to learn what you have to teach me and maybe together we could make your dream come true I do realize you posted this 5 years ago I just hope im not too late to help you achieve your goals in this matter if you have finished I would love to know more my email is <a href="mailto:joelwhite49@yahoo.com" rel="nofollow">joelwhite49@yahoo.com</a> if you respond which I hope you will make the subject &quot;tesla&quot; if you don't want to inform me on the workings of this particular project I would love to know how to generate power to my home using wind, water, or some alternative method where I could take my travel trailer out in the middle of know where and have sustainable power. </p>
I see where you are going with this. Very nice. I hope you can get something working soon. Sorry about your health. Have you heard of the gerson therapy? It's worth checking out. Best of luck. =)<br/>
<strong>Thank you very much. I believe good things will come very soon and I will be able to finish what I have began and my father inspired me to pursue before he passed on 4 years ago.</strong><br/>I have not heard of this therapy you mention, but will look into it. I was asking for a heart transplant, but was strongly discouraged from pursuing such, as transplant patients don't live very long afterwards.<br/>I will be offline temporarily, except using wifi on occaision to check emails...<br/>nice handle you've got there. I like it.<strong></strong><br/>
i'm trying to build a generator/motor or whatever is needed to produce enough voltage for household appliances it's for a science project you seem like you are pretty educated when it comes to this, so i was wondering if you had any suggestions to what i should do, or if there is another approach as far as the actual generator instead of a turbine
This is only good for high speed low torque. Because there's no fins, any back pressure would stop it dead, and alternators require a good bit of torque. Tesla turbines are actually a type of pump, not a type of motor, although they can be used as a motor. But only high speed low torque applications.
<strong>Tell you what. Go look at the Tesla Engine Builders website and look for yourself about the GM car. I do know there are vehicles that achieve far greater fuel eff or ranges. I simply pointed out GM built it using a Tesla turbine with altered star washers to gain 10 more HP than using Tesla's star washer. I tried to offer friendly information and you got to get hostile. You really don't want my venom to fly with facts you fail to verify. As for your comment to me about the flyash system, I worked at a power plant, and I have seen what you obviously haven't seen. The 6 inch turbine is steam driven, and that modified turbine made by Ed Varrel, is inside it. It is not pumping the flyash as you said. It is driving the vacumn system that is 21 stages.</strong><br/>As for the magnetic clutch you speak in ignorance with insults, you will be glad it is there when you dump 5000 psi of nitrogen gas into this modified drive system you can not seem to conceive. It will help keep you from burning your tires to nothing and blow out. The magnets are there and produce 44 kW from the what I called for simpler terms, flywheel, everyone understands that concept. There is no physical contact with the flywheel. It is a solid metal object with rare earth magnets strategically placed to catch a non-attached plate in the shape of a horseshoe to crank the drive axle. On the opposite side of the plate facing that plate, are pick ups that Faraday has easily proven magnetic induction will produce charges, just like your system on a mower produces a spark. I prefer the AC so I can step it down to the desired voltage I want. Volts drop, amps go up right? There is your full time regenerative system that greatly extends the range of EV's. You obviously haven't done your homework on ammonia absorbtion refrigeration, as it is watered down ammonia, household ammonia being boiled. Boild equals pressure build up, to drive a secondary turbine for an alternator. There is always someone like you in every forum who thinks they know everything, and haven't done the TOTAL homework before barkin like some annoying ankle biting dog barking at some German Shepard that chomps it in one bite with reality.<strong> Kudo's to ya for doing your homework on the AC to DC conversion, at least you're right about that. I'll give you credit for that. I can back up what I say. I'll give you an example. Tesla was involved with the Philadelphia Experiment, along with Einstien. Tesla said not to do it, the freq. was too high at that power level, 8 million watts of microwave energy was unleashed on that ship. Only three survived it. I know why, I met one of them who looked me up for classified reasons we won't get into here. He was the man who corrected the experiment. When he laid his military ID in front of me, I saw he was hispanic, and I have the very document from Project Bluebook regarding the experiment and the disaster, and the potential weapon of mass destruction they learned to create, I saw his radiation burns, and he knew what I was about to do and why. I was invited to join him at the VFW, was you? Nope. Until you can sit with a legend like him, you have no room to speak here, or even comprehend what we accomplished.</strong><br/><br/>I simply gave crediance to the fact Tesla may have designed something similar, and we never got to see it because of how much power it develops using gravity and centrifical force, and the boundry layer effect to your advantage unlike most things in life. If he didn't, so what, he laid the ground work for others like Ed Varrell and myself to see greater potentials you obviously can't see, possibly never will with your attitude.<br/><br/>You make a comment about perpetual motion and patents... granted even to things that don't work... Tesla didn't waste time attempting such. I mention I knew a machinist who made Ed Varrells design I saw at the power plant cranking out so much power to drive that 21 stage vacumn system, not an altered Tesla pump to suck the flyash out. Go look for yourself if you can get into a power plant. I worked there, I know what I saw. You don't. My project is still in progress. What have you got to offer? Nothing. <br/> <br/>I just got off the phone with a huge firm ran by T. Boone Pickens (a billionalre in the wind and water business who likes my designs you haven't seen, and obviously won't, because your too narrow minded to see it. ) They just called me for work to do for them. Are they calling YOU? I doubt it. I prove myself to those who need to know, everything else is dust in the wind as far as I am concerned, and I have no further interest debating with you about things you do not comprehend or can't see the total picture. Obviously I am the lightning here and you are the thunder which always follows lightning. Point made.<br/><br/>I offered information to help you, and you want to argue like a bunch of politicians on a talk show yelling and you can't tell what is being said because they are screaming their points of views, ignoring each other, and nothing is accomplished.<br/><br/>When you have walked the path of life I have walked, and survived, and now about to reap the harvest of my dreams and labor, then you can attempt to insult me, my intelligence, and hopefully my silence will make you feel like the ankle biting dog, barking at a big dog until one crunch ends the debate. That is NOT a threat, it is nothing more than an analogy. Since you want to prove you're so anal retentive and speaking without verifying facts, or witnessing phenomenal things like I have. I have seen vehicles obtain 4 digit fuel economy, none that has hit 10,000 mpg as you claim and I will look into it before I bark. I do far more than patent searches. I was a spook, if you know what I mean. I've seen things you wouldn't believe obviously, evem if it jumped up out of the grave and kicked your rear.<br/><br/>As usual, there is always someone like you who has to prove what a narrow minded jerk you are.<br/>
I didn't comment on the ammonia thing at all. Depending on how it's done could produce temperature exchange. Not as concerned with that. The Manhattan Project? So you're telling me you're about 90 or older? The Manhattan project was the entire development of our foundational nuclear technology, started during FDR's administration and finished shortly before end of WW2. Not just the 'ship conspiracy' you're talking about. That was about 70 years ago. Not trying to insult you, but I am questioning the authenticity of what you're saying. I don't think I've insulted you personally at all, apologize if you've taken it personally. Still think you're not giving out accurate information.
<strong>Not the Manhattan Project. Read it again. Philadelphia Experiment.</strong> I got to meet one of the survivors who looked me up knowing I would engineer a way to catch a proverbial piggy back on the use of the corrected system he corrected in 1956. I was born 2 years later. He would learn what I had accomplished, we lived in the same town, he came to visit me, and I also met the pilot that day who was flying Air Force One the day Kennedy was killed. I was exposed to a classified document from Project Bluebook, age 10. 1992 I would design my circuit and system in engineering school, with the Faraday cage for a shield. 1994, departure. <br/><br/>The classmate in the 6th grade who exposed us to the Project Bluebook document which began in 1968 that same year. His father would later become my commanding officer while in training until he died, and the Lt. was promoted to my CO. I have seen things people have commited suicide over a fraction of what I have seen technology wise, it scared them that much.<br/><br/>If I seemed too touchy, forgive me. I did feel like you was insulting me and only wanting to argue. I don't have time for that. I've got a lot of research to do tonight still. I hope we are on the same page now. Look back at my previous message and see, I did not mention the Manhattan Project. Had nothing to do with what I was talking about. For some reason, it is not letting me reply to your messages. I can reply to the author of this instructable, not you for some reason. It won't let me.<br/><br/>YOu can chose to believe or disbelive, doesn't matter to me one bit now. I've got other research to get done asap tonight. I guess we'll just have to agree to disagree then. Leave it at that.<br/><br/>Yes, I did take it personally, appology accepted. I only mentioned the ammonia system because you mention perpetual motion. I thought maybe you considered the drive system perpetual, when it isn't. You have to see it to understand it. This young man is about to see my first modified Tesla turbine design, that modifies Ed Varrells design. I have since modified it again. He has access to a machine shop, I don't anymore, I did at the rocket plant in 88 and 89, I can't afford to do much at a time on disability from my heart condition I inherited a genetic defect. I need to make the casing, and polish the shaft that is hardened like tank armor, and make another cone shape for my design. Then put it all together. I can't even learn what horsepower this cranks out, or how much torque, just was assured it will surprise me when it is done.<br/><br/>With Mr. Picken's people contacting me tonight for work, I've got a lot to do to prepare for what is ahead of me, including getting my designs built that I showed them. I'm not stupid, I gave them only enough info to strike curiousity as they verified what I did give them. That way I can't be left out of the picture and the sharks get my project designs. That is exactly what happened to my first modification. I contacted a few agencies for funds to complete the project, including GM Electromotive Div. I come home 3 times to find someone broke into my home. The third time, the found what they were looking for. I posted what they stole on three websites so at least I would enjoy the credit of my work they stole. 4 years ago, they tried to patent it. I was alerted to who stole the design, trying to patent it. Yes, I did confront them. Vice Pres. Chenny sent me a letter since he looks at every energy related patent applied for. He said Bush sent me a letter, but I trashed it thinking it was Election stuff. They were denied a patent since it was stolen material I copyrighted. I hope we have everything cleared up now. I've got to get back to my research. I have limited time to get it done. Plus send this young man a copy of the drawings for my first design that modified Ed's design. Please read the facts as stated. I'm here to help, nothing more. Nothing less.<br/><br/>I hope I can work out a deal with this young man, to share the glory of my design completed. This and so much more is my passion in alternative energy related projects. I look at them and see if I can improve them or combine it with something else. I have an open mind that thinks outside the proverbial box as mentioned earlier. A lot of people though Tesla, Einstien, Edison, and many others were attempting the impossible. One man said long ago we would go to the moon and everyone thought he was nuts, no way we will ever get there. I know history so well it scares some people how much I can see. Example? The underwater superhighway ships fear because it messes with navigation equipment when they are near or over it just off Bimini Island. Yet it spins a compass radically. What is a DC motor?<br/>A magnetized needle that points north? Near a strong pulsed current, it will spin. A free energy source has been revealed and it must have powered up something massive in it's day. If you can find it, watch a documentary we watched in the 8th grade science class called Chariot's of the God's. Pay special attention to the fact a solid gold model of our modern day space shuttles was in a tomb for over 2000 years. The drawings on the wall showed Egyptian's holding massive light bulbs and power cords, and much more. It also wrote about 7 visitors coming from that Shuttle out of the heavens. Exactly the number of our shuttle crew members. How did it get there? It was sealed in a tomb over 2000 years before 1970 when I watched this documentary in science class, long before the shuttles were created. It also spoke about Atlantis, only two shuttles remain now, Atlantis, and Discovery. Guess which one will make a one way trip and will never return to us. I can go on and on, I don't have time, and this is not the place to discuss such things. Just a little more proof I know what I am talking about.<br/>If you want to chat, send me an email address, I'll be glad to chat with you on friendlier terms.<br/>
<strong>You sent a message I can't reply too? First, GM engineers added the winglets the Same thickness of typical star washers in the Tesla Turbine in their super car concept car. So go bash them, and see for yourself at Tesla Engine Builders Association. The Magnetic clutch has been around a long time, and you totally missed the point of tapping the magnetic field as the flywheel rotates the magnetic clutch drive shaft. Pick up coils produce the AC or DC whichever you want. With todays rare earth magnets, you can make very strong clutches that don't need to be replaced as often as your typical clutch.</strong><br/>Do some more homework in a patent search, and learn a man named Ed Varrell designed a turbine very simular to mine, but I modified two ways. He patented it right after the 7 day war Isreal had with Syria.<strong> Just because someone improves a design, doesn't deserve ignorant insults when you haven't done your homework.</strong><br/>
I didn't send a message you can't reply too. Instructables sends an email before the post registers through their system all the way. I do general research and understand principles, which is different from studying patents but in many ways far more useful. On magnetic clutches, read your own post. That was your point. You said the power regeneration thing as a side note, not main point. And on that point, regenerative systems on the flywheel would be a waste. Power's not lost at the flywheel but at the brakes when stopping a car. Any power gained from the flywheel will have to come from engine power unless you're breaking with your engine engaged like downshifting, which wears the clutch down quicker. So your regenerative point for a magnetic clutch is a weak argument as well. Just because a patent is similar to your idea does not make the patent a good idea or your idea good. That's bad logic. Your design should stand alone, not upon the fact that it has a patent or is similar to another patent. Perpetual motion machines hold a number of patents and yet there's no such thing. Something doesn't have to work to get a patent. As for GM getting 200 mpg out of a vehicle, I'd have to research it but I wouldn't be surprised. Did you know in the shell gas economy competition they have vehicles that can get as much as 10000 miles to a gallon? That's no typo. Ten thousand to a gallon. Granted that's low speed and expensive parts, like the bearings and all light weight material. For GM to make a concept car that gets that much is cake. You could use a lawnmower engine and build a car around it and get the same. Again, it's not going to be a tesla turbine alone that produces that kind of efficiency. How they're using it can also be another mater of importance. And pickup coils in the design you are referring to would always produce AC, which you could convert to DC by doing some phase modification stuff, like a car alternator. To produce DC you need a special magnetic configuration. Not a big deal, but thought I'd throw that in there so you know I'm 'doing my homework'.
As an expansion on the GM thing, the trick is not efficiency at any cost but efficiency in a production vehicle. That's always been the struggle. To do it in a manner where they can turn a profit and where people will still buy their car instead of another foreign car. It would be simple to just make current cars with different materials and nice bearings all around. You could probably get over 70 with no major modifications. But price would be way high. And high prices on the market drop sales.
<strong>If you stick to Tesla's designs, this is true. GM changed the star washers to a winglet shape, got over 200 mpg at highway speeds from a 9 inch turbine, and a top speed of 135 mph, getting over 100 mpg at top speed.</strong><br/><br/>Think outside the box here. I changed the star washers to compression plates feeding what is typically the exhaust ports, having a cone to pre-compress the working fluid before entering the disk pack and compression plates. This will radically increase horspower, stand up to much higher pressures under load, and produce a lot of torque. So much torque it is classified from my patent search I did. Take it another step. Tesla was denied a patent for a transmission he designed using his pump and turbine.<br/>Yet power plants use this very design to pump fly ash through a 21 stage vacumn system, 14 inch dia. pipe, 40 ft long to reach trucks outside very rapidly. That is just a 6 inch design using steam power. Hit it with vegetable oil for your fluid, use a 14 inch pump powered by a 5 HP electric motor, or 10 HP gas engine, and dump the oil into a pump acting like a turbine or modified torque converter is more like it. I'll give you a hint, you'll have so much torque, conventional clutches can not withstand the stress, you must use a magnetic clutch. Since you are using such, might as well make a full time regenerative system with the other side of the magnets in a brushless generator application from the turbine shaft drive. I've done a lot of homework as you can also see on the Tesla turbine. Let's just call it a modified hydrostatic drive for Electric vehicles. Remember this, the Tesla pump application produces 5 times the pressure with fluid transfer than any other pump can. Given that fact, the frictional heat can be tapped at the hydrostatic drive casing to boil and run a secondary system. I prefer household ammonia and a teflon coating on the housing reaching 300-350 degrees F. temps. Basically an ammonia absorbtion cooling system you can cool with or heat with. Cold side drops to minus 50 and you already know the heat side, for your vehicle interior comfort. Find the happy medium and set it at those parameters.<br/><br/>There's only one reason Tesla would be denied a patent on such an item as his transmission design. Do the homework, or strain the brain and figure out why they denied a man who never tried to patent something that didn't work, and you'll see something amazing. That is just his version of the design, not my modified turbine design, which has far more output power.<strong> I've got 26 years of research and development behind me that says I have done my homework too.</strong><br/>I've had some major setbacks in my project for my electric car design because of health problems. I've survived 5 massive heart attacks, a quadruple by pass that didn't go well, followed by complications that provoked a pacemaker/defibrillator implant to be stuck in me, and yes it has lit me up 11 times full power. I now have nightmares I am getting lit up full power, rude way to wake up. A stroke, and 3 mini strokes. Then heart failure hit me twice last summer. I was walking 4-8 miles a day before the heart failure. Now, I'm lucky to make it around inside a grocery store, and don't even think of making me walk around a Walmart Store. Won't happen.<br/>I haven't given up the dream of seeing my designs become realities.<br/><br/>To increase the torque and horsepower of your existing work, continue to use the input as you have created, vs. what I do. Make compression plates that vent the airflow to the exhaust holes. At the outer edge, reduce to 1/3rd the size of your exhaust port hole for each hole. This will give you maximum thrust in this arrangement. If you want to increase it even more, curve the compression slot with a 10 degree offset from your input on the outer edge to increase the HP and torque even greater. These compression plates deal with the low torque problem Tesla's design has. It is and was a good start for us to consider. I seriously wonder if he realized this also and made such a design as I mention, we just never got to learn about it. Just like his transmission design. For a turbine application for driving a generator or EV, do not exceed an 11 inch turbine. When you gear down, your torque becomes phenomenal in output. I would not exceed a 36 inch pump for an 11 inch turbine drive unit. Best wishes, and good luck with what you are trying to do. I hope I was helpful. Some secrets were never meant to remain such or taken to a grave. Just because I can't finish my dream, doesn't mean someone else can't have a chance to finish it and enjoy it.<br/><br/>Maybe now you can conceive why an electromotive train can achieve 200 mpg fuel economy with an engine that has 6, 16 inch cylinders to drive an alternator to charge the batteries? We are choked by economic slavery to the special interests groups who desire to keep us struggling to survive. They foolishly wiped out the middle class society, divided us as a nation and we fell, just like our pledge of allegiance says. Or, &quot;United we stand, divided we fall.&quot; We have fell, and do nothing to try and get back up except share all these instructables with each other for those of us who do want economic freedom from those who keep us oppressed. When did we fall? When the nation was split between Republicans and Democrats. Now it goes far beyond that. Liberals, conservatives, right wing, left wing, socialists, and more. Point is made. We will only survive if we use our wits and gifts to collectively achieve our common goal here on instructables. To change the way things are now. One person at a time.<br/><br/>My designs take things to extreme eff. to help me gain grid free lifestyle, with more energy than I would ever use. I can't finish my work alone now living on disability alone. It would be nice to see my dream technologies become realities before I croak.<br/>
Sounds like a lot of jazz and little proof. So much torque a conventional clutch won't work, you'd need magnetic? Magnetic clutches are no stronger than a regular, it's all in how you build them. Most of what you're saying is just the run of the mill conspiracy stuff that claims to have invented some super power source. If you add fins to the tesla design, you're NOT improving it! It was designed for a purpose, high speed flow with little resistance. It CAN be used for other applications but it is not ideal. You can make a lot of things work for applications they weren't designed for. It doesn't mean you've made a ground breaking discovery. And as for them using it to pump fly ash, they use tesla turbines because they don't clog. Sewage plants like them a lot too. They use wider spacing but same idea. Other pumps tend to clog when dealing with particulate matter.
I think that you are talking about a car alternator because all an alternator refers to is something that generates ac voltage. There are alternator out there that can generate enough electricity to run a couple of things that can be turns with a tesla turbine and even this turbine. With thecsmall DC generatior that I hooked up to it I lit was able to generate around 50 vdc.
voltage doesn't count, it's amperage combined with voltage. If you're just using a multimeter with no load you could generate several hundred volts with little diffiulty. The volatge is based on the windings and the speed. But put a 100 watt light bulb in parallel with the meter and the motor will probably stop or the voltage drop to 1 or so. Power=watts=voltage*amperage. Although I was wrong about the motor thing. Looked it up and they can make them to be more powerful. But I question if they're efficient or if yours could do that much. The motor ones you refer to had very very small clearance between disks.<br/>
Sorry I did not explain myself good enough I powered about 50 volts of dc lightbulbs with this turbine with a generator attached. And I know that this could have been even more efficient but I am trying to make one of these that everyone can build and not just an expert machinist. I will be making a more advanced level one of these in the future and will explain how to do that but until then this one works almost perfectly.
I'm curious now. So what watt light bulbs? The model you have displayed on this page? What type of generator, a dc motor used as a generator?I'm surprised it can provide that kind of torque. Are you using a lot of air?
Without a load this motor I have had up to 100 psi and after testing I have held it there for up to 5 minutes but with this load I have achieved running 10-1 watt 5 volt light bulbs at around 220 psi; also I have used a pressure washer and just adapted it to fit and that actually gave a surprising amount of torque. If this is run with water instead of air, because of the added friction of water passing by the blades it will turn with more torque and horsepower. The motor that I was using truely I can not remember what it was from, I was just hooking up any motor that I had lying around to it to see which one would result in the greatest power output. This motor was also very easy to turn which helped out alot. And don't ask me for the serial number or any info on the motor because it is all worn off otherwise I would gladly give it to you. And yes it is this model displayed here and it was a dc motor just being shaft driven by the turbine. If you have any more questions let me know.
Just so I know what you are saying you want to build a generator (the motor that generates the power) for household appliances. Leave a reply on what kind of sutff you would like to power and I will find you some links because I am not sure how to construct a "generator" from scratch. I have made a small dc motor but besides that I don't have much of a clue because for household appliance you would need and alternator because that produces ac current. If you can't find anything on how to make one or if I am not understanding what you mean than let me know.
hmm, i think i would be better off trying to see what is the greatest amount of volts i can produce and compare to different types of appliances... kind of make it symbolic by measuring the voltage and then comparting it to stuff that uses the same or lesser amount of voltage if it is possible, i want to see if i can maybe power a lamp for a class demonstration durring my presentation and thank you very much for your help so far, i'm starting to feel it's possible
So you would like to build this turbine and put a already ade gernerator to it or just make the generator itself. Whatever you are doing good luck.
<strong>Tesla's original 9 inch turbine was built in 1893, steam powered, and is still running today producing 50,000 watts 24/7/365</strong><br/>
<p>Thank you for your effort.</p>
Im working on a intalling one on an rc car, then from there somthing much more extrodinary
<p>Thanks for the wonderful tutorial! I'd like to build one but I can't find any used hard drive anywhere.</p><p> I'm willing to substitute the disk platters from the hard drives with custom cut aluminum disks.</p><p> Does anyone think it's suitable? Also, may I know the dimensions of the platter (outer diameter and thickness) and how much d1isks do you use for the turbine in total?</p><strong>Thanks a lot!!!!</strong>
<p>you can probably go to any computer store that recycles computers, they usually just throw them away, or send them into be melted. </p>
<p>hello i was wondering if you could give me a detailed explanation of the working of this turbine.like where is the inlet for steam or water, and how will it start or stop?</p>
<p>What is the minimum pressure this can run with?Is there any approximated function showing intake air pressure to RPM speed?</p>
good work
<p>so it says that it is watered powered am i correct or no</p>
<p>Howdy from Texas. I've been designing a Tesla turbine for the past year now and have been looking for a test model to proceed with my idea. Your model looks like a plausible candidate. Thanks for the info and I'll be getting back to you as things progress. </p><p>After reading some of Tesla's documentation on the subject that is available on Tesla Coil Assoc. of America. it is interesting to note that this turbine can not only be used as a motor but it can also be used as a pump. </p><p>Once again thanks for the concept, I'll see about taking some pictures of my experiments as time goes on for documentation purposes. I am hoping to create a commercial model of my project.</p><p>by the way, the turbine that I am standing in front of is the right engine of one of my company's 787. Think of the commercial application of a Tesla turbine on an aircraft; no this is not my idea; just a fun thought. </p>
<p>could you show us a water adaptation of this design? i figure you'd just not have vents and have one clear exhaust but i'd still like to see how it works</p>
Why do you wrap the incoming air around the body of the turbine.&nbsp; I would think a straight in air pipe would be simpler and not have additional friction of the bends.<br />
Pardon if I sound ignorant, but would be better to have the end of the tubing a conical shape? To increase initial pressure blowing into the turbine?
<p>Check out this video by the great Walter Lewin, it discusses the principle that I think you are misunderstanding.</p><p>https://www.youtube.com/watch?v=ngABxM7jl0Q</p>

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