No spark in jeep?

I have a 1986 jeep cj 7 4.2 engine I lost spark and have replaced the following coil,ignition control module, distributor cap,wires checked all wires oh I also the coil inside the distributor was replaced Need help hope someone can help

Question by fgall007   |  last reply


What is the difference between an NGK BPR-6ES spark plug and a NGK BP-6ES spark plug?

I need to replace a spark plug that is a NGK BPR_6ES and the only replacement i have is a NGK BP-6ES.Will it be suitable for a small honda motor on a davey pump.

Question by legend4930   |  last reply


Whats in a LOCOMOTIVE Balloon Smokestack?

Is it just a screen spark arrestor?  Ive been seeking unsuccessfully for a cutaway diagram.

Topic by Toga_Dan   |  last reply


Weak spark (orange glow) on late model pickup truck

So  I have a 95 chevy C-1500 5.7 V8, Been having some progressively worse problems with it running rough and hesitating when accelerating. I will be re-timing it soon but that is a separate issue for the moment, When I tested the ignition system I noticed the spark tester was glowing orange/red instead of blue. (I can't even get my timing light to fire) It was due for new plugs and wires so I replaced both. The Ignition coil is less then a year old and I just finished replacing the Rotor and distributor cap. Still have an orange spark. I really need to fix this before I can time it, Any Ideas?

Question by Wired_Mist   |  last reply


Help, I'm stuck in a 3D printer factory!

Check out some pictures from the Spark 3D printer factory!

Topic by ewilhelm   |  last reply


Autodesk Spark 3D printer models

Yesterday we announced Spark, a new platform for 3D printing, and that we were going to build a 3D printer.  We've decided to share some more details about the printer here on the Instructables forums. Here are two images of prints made with the prototype printer. Things are very exciting here! We'll have more to share over the coming weeks.

Topic by ewilhelm   |  last reply


Why does electricity cause sparks?

Hi everyone! Why does electricity cause sparks? I have two scenarios in my mind, and i hope someone can provide me good answers. 1) I have seen on a lot of occasions, for instance the main transformers near my home, the wires sometimes keep sparking near the area where the wires are joined to it. Why does it spark? What is actually happening? And i do know that it might be caused by an overload or a short-circuit or stuff, i am not talking about what caused the sparking, but what is happening when one occurs. Why not just burst into flames, or heat red hot like a metal filament or something? 2) I have also observed sparks when, lets say i suddenly pull out the plug from the socket with the switch still ON, or sometimes even when i turn ON/OFF a switch driving a load. Why does this occur? 

Topic by charmquark   |  last reply


Combustion Chamber for high voltage spark

Based on Sir9's project http://sdch2o.free.fr/vrac/Sir9-Plasma-Steam-Engine.doc I am preparing to make my own version: The plan is to create a Tesla Turbine powered by steam which is made on the plasma spark from a Tesla Coil - Presumably if Sir9 used just 110 V, the really high voltage of the Tesla Coil should give me Big effects I am not sure about what size, shape and material I should use for the combustion chamber, and whether I can use multiple spark plugs safely. I'm planning to use a small 220v // 2,1kV microwave oven transormer for the coil just to keep things farely safe for the beginning and a turbine made of hard disk drives (about 16 plates) sealed in a plexi-glass chamber I have a lot more questions coming up every minute, need any help I can get - this is my first project of it's kind Thnx

Topic by skyw4lker   |  last reply


Does a tesla coil need a spark gap?

I was reading some instructables on how to build them, and they all have spark gaps, is that optional.  I assume it is just a power limiter for people who want to have control over their coil.

Question by jj.inc   |  last reply


Can I use a regular digital thermometer as a cylinder heat temp gauge?

Hey guys, I want to make a cheap cylinder head temperature gauge for my 150cc scooter. I have owned one before which worked well but it was rather expensive. I'm more interested in being able to detect a temperature spike and avoid a blown motor than determining an acurate temperature. The last gauge I owned used a probe with a ring on the end that acted as a washer between the spark plug and the head. If I buy one of these probes:  http://www.ebay.com/itm/Thermocouple-CHT-Sensor-Probe-Cylinder-Head-Temperature-14mm-/120861470119?pt=LH_DefaultDomain_2 And a digital thermometer with a probe like this: http://www.ebay.com/itm/Digital-Blue-LCD-Temperature-Meter-50-150-Probe-/230650228821?pt=LH_DefaultDomain_0&hash;=item35b3d33055 Could I just splice the wires together and be away laughing? I'd need to find out what the temp range of my engine is first.....my last 2-stroke 150cc ran at about 275F and melted at 400F, 4-strokes should run cooler right? Any thoughts would be appreciated :)

Question by tig5   |  last reply


Ways to make an Asynchronous Spark Gap NST friendly

Are there any ways to protect your neon sign transformer(s) from the affects of an Asynchronous rotary spark gap?

Topic by OzoneLab 


OSIM uSqueez foot massager sparking how to?

OSIM uSqueez permanently dead. Dismantled unit found mother board 2A fuse blown. Check everything OK on mother board and replace fuse. Power on unit led under stop button light up. Pressed vibrator button works perfect. Pressed massage button strong sparking sound and saw fire in one to two second followed by blown fuse. 1. Measure the motor terminal resistance -> 0 ~ 5 ohms. Or it should should have some high resistance approximately 10 ~ 50 ohms. 2. Measure BR-B3D thermal protector which was in series with the black wire -> 0 ~ 5 ohms. Any idea which one is faulty part? 1. Think the thermal fuse is OK. 2. If the motor short, shall I do rewinding for rotor? Can't found this motor locally and if buy direct from OSIM too expensive! Any idea measure rotor coil? Thanks

Question by GearUp   |  last reply


Wimshurst Machine + Coil Gun = ?

I recently participated in my school's science fair. My project was about magnetic pulse accelerators(coil guns). I have been thinking about making a Wimshurst machine. Could I attach it to the coil of wire to get a very impressive result?

Topic by H20   |  last reply


What metal do people use to throw up sparks with their lowriders?

I've always thought that it was magnesium, but I've heard that titanium is used. It seems titanium would be mucho-expensive for what it does. Does anyone know anything about it? If I find anything with a reasonable price, I may make a project about it. Thanks, Bran.

Topic by Bran   |  last reply


ELECTRIC SPARKER, IGNITER

Do you know a schematic for a machine that makes sparks for igniting gunpowder or other flammable things? Something easy to make, but effective, so I can light up gunpowder at a distance of 20m. Something whit transformers or capacitors...

Topic by comodore   |  last reply


can we use the magnetic attraction and repulsion in petrol engine? Answered

Instead of using compressing of gas using  combustion and passing gas and using spark plugs ..... shall we use a dipole magnet in the place of spark plug and and a magnetic piston with a pole on top side.if we rotate the magnet at the spark plug place ,when the opposite pole comes down .......the piston due to attractive force goes up and when like pole comes up it will get repulsed and goes down by this crank can be rotated.this is basically based on the principle of magnetic attraction and repulsion........ i am just a college student its just an idea that came into my mind......please say whether it is possible or not...

Question by Ramadossk   |  last reply


Can I turn a petrol engine into a water pump?

I may be able to get my hands on an old 2 stroke engine. The spark plug threads have gone completly and mainly going for spares. I was wondering if sealing the spark plug hole, fit an electric motor to the drive shaft then separate hoses to the fuel inlet and exhaust could it then pump water or is this another of my hair-brained ideas?

Question by cyberraxx   |  last reply



What would cause every other cylinder not to fire on a big block chevy?

In my truck I have a 366 big block chevy motor and cylinders 2, 3, 5 and 8 are not getting spark and the firing order is 1,8,4,3,6,5,7,2. So I am not getting spark to every other cylinder I have an H.E.I distributor. I am thinking it could be the ignition module but am not sure any help is appreciated.

Question by vince 09   |  last reply


What's a good adhesive or epoxy for adhering to metal that can be drilled and tapped? Answered

I've got a 1/4" copper fitting. I'm looking for a non-conductive adhesive to fill it up halfway, drill and tap it so a spark plug can screw into the end. I was trying to find a nut earlier that would screw onto the end of a spark plug with an o-ring, no luck at the hardware store. I'll probably do the same thing with a few larger sized nuts: fill, drill, tap.  And I'm just looking for a decently priced multi-purpose adhesive (non-conductive). And I will be needing a conductive one fairly soon.  JBweld seems to be popular in some groups. I don't know if it's non-conductive. It would also be nice if it could adhere to pvc, too. :-)

Question by Vorenus   |  last reply


Does a 2-stroke Honda CB 100 NE engine need a battery to run? Answered

I have a Honda 2-stroke CB100NE (1018034) engine which I am trying to get working. This is the first time Ive worked with an engine so my knowledge is quite fragmented. So far the engine will turn over using the kickstart but I've been unable to get a spark. Documentation for this specific engine seems to be quite limited but I found a service manual claiming that the generator goes into the battery which then drives the spark plug via the coil, points etc. However, a friend told me that the spark plug can be run directly off the generator/magneto, and since the engine isn't in a motorbike which would require lights and a horn the battery isn't necessary. I'm also not sure how the rectifier plays into this if I'm not having a battery - is the rectifier only there to facilitate charging of the battery? So my question is, does my engine need a battery to power the spark plugs and if so, do I need to use the rectifier? Any help would be greatly appreciated. 

Question by Ikkalebob   |  last reply


i have a 50cc yamaha that won`t start ?

I have check the starter and the spark plug and found that gas was inside the engine and i dont know what to do anymore 

Question by DanielA22   |  last reply



MOWER WONT START?

Mower has sat for awhile has spark but wont start. If I spray starter fluid in the air intake hole it will start and run for a few seconds. Any ideas maybe it is clogged somewhere????

Question by harleykissed   |  last reply


My mower smoked and won't run? Answered

I was mowing with my push mower (brigs and Stratton) and suddenly it blew out a large amount of white smoke and stuttered to a stop.  Later that day I tried starting it again and it almost started up but it sputtered and filled the area with a plume of white smoke.  Now (a year later) I decided to attempt to get it running again.  I am not sure about taking out the spark plug because I think it may need a torc wrench or something.  I did however check to see if it would still spark one of my spare plugs which it does.  The fuel in it is still the same so I may try draining it and re-filling it.  It smells like gas.  I have heard of water and oil being probable causes, could this be true.  I know that it has mistakenly been filled with the mix of oil/fuel from my chainsaw's can.  I drained it, but could there still be oil in it or something.  Can I pull my spark-plug out with a mere crescent wrench and replace it?

Question by jj.inc   |  last reply


Hanging onto the essence of my favorite old boots.

Okay, I've spark-tested the toes from my old boots;strong white spray, fair amount of secondary sparking...so I'm guessing a mid-range carbon steel. I'm looking to weld up blade stock with them but without a specific composition, I'm at a loss for what would be the best steel to shim into it. Tried looking up the  call-codes stamped into the toes...got nothing so guessing they're just stock-control numbers.  Does anyone have any more information on alloys used in steel toes?

Question by Dark Solar   |  last reply


ball mill materials

I am making a ball mill it's a toss-up between glass barrel or a plastic barrel can somebody tell me what the static/spark risks are in both? I will be using ceramic media. thanks

Question by elmarchi   |  last reply


High Frequency Alternators

Look at a picture of some arcs from a common spark-gap Tesla Coil, and then compare it to the arcs from a solid-state. What makes the two so different? The difference comes from the Solid-State Tesla Coil to operate in CW (constant wave) mode. This means that its power supply is uninterrupted, whereas in a spark-gap type, power is being switched on and off hundreds of times per second. If the output terminal of a CW coil doesn't have a brake out point, no corona or spark will occur. For anyone who's investigating wireless power transmission or Tesla's version of radio, this is a very helpful feature, since corona only wastes energy. And if it does have a brake out point, it can create some pretty interesting spark displays, as I mentioned above. An arc to a grounded object increases the current in the arc to such a point that it turns into a white-hot "flaming" discharge. All-in-all, a CW type coil is a pretty interesting kind to observe. But solid-states can be pretty difficult and annoying to build, and expensive as well. Since solid-state technology obviously was not available to Tesla, he found a different way to operate his coils in CW mode- a generator that was specially designed to produce radio-frequency power. He had originally created it for high-frequency arc lighting. Today, I have seen absolutely no coils run by a high frequency alternator. Of course, an alternator would be admittedly difficult to build, but since it could probably deliver more power than a solid-state coil, it would be worth it. Does anyone know if there are any companies that still make these alternators? Would anyone be interested in recreating it? Should we even bother? Thank you for listening. Peace!

Topic by ElectricUmbrella   |  last reply


Would a van de graaff be a good display to go with halloween? Answered

I was hoping to build a 500,000 volt vdg for halloween in the coming weeks up to halloween mainly because sparkes of that size are quite impressive but i am un sure because others may not be impressed and i would have wasted my money

Question by MadScientist101   |  last reply


A question for experienced mechanics

I  know someone who has a newer model of the Dodge Ram with a Hemi V8.  It has a special gas-saving feature which turns off 4 of the cylinders when it is at highway speeds.  I was wondering if this was a practical idea to do to an old 350 small block.  I know that you could just unplug the spark plugs to 4 cylinders.  Of course, you would have to do something to release the pressure also. (I was thinking of removing the entire spark plug.) I am not very experienced in auto mechanics so I was wondering if anyone here could figure this out.  PS : This option of shutting down cylinders was also available in older Cadillacs I beleive it was called the 4-6-8, which shut down either 2 or 4 cylinders.  This engine however, was known for it's problems, which is why I was wondering about doing this.

Question by jules15   |  last reply


Honda xr2600 power washer

I have a Honda XR2600 power washer.  The problem that I have is the engine stops running after a few minutes while spraying. Installed a new spark plug. A new gas cap. Put in fresh fuel. I can use the power washer for only a few minutes and the engine will stop.  Any help appreciated.  

Question by GeorgeB240   |  last reply


21 in poulan power mower will only start with starting ether.?

 1 year old 21 in poulan will only start with starting ether.,once it starts it will continue to run until i shut it down after I finish cutting.  While it is hot it will restart easily, I have replaced the spark plug.problem started this season it was  stored in a heated garage.

Question by jamest58   |  last reply


Tesla coil music?

So, I have noticed that music can be played with a tesla coil.  I originally thought it could be done just by using a plasma speaker as the input for the primary coil, but now that I have realized this won't work because of a spark gap and capacitors I am stumped.  Will using an inductor (i think that is right) which allows current to pass sixty times in one second yield a 60Hz pitch?

Question by jj.inc   |  last reply


Get electromagnetic pulses from a gas igniter

Hi, here I have a common gas igniter like this: http://s10.postimg.org/r55cvgt9l/gasigniter.jpg Well, I removed the circuit from the box, then I shorted the two terminals, using various kind of coils (thick wire, thin wire, in various configurations and with different turns), but seems that this circuit is unable to generate electromagnetic pulses; I've tried to turn on a fluorescent lamp, to cause interferences to a pocket calculator (as I can see in various videos on youtube), but nothing happens. If I remove the coil from the terminals I am able to get nice sparks. So, why this circuit won't work as expected? I miss something? However this is the circuit: http://s4.postimg.org/fgd78werx/ignitercircuit.jpg Please note that I'm aware of the fact that these kind of circuit could be dangerous; I'm taking all possible precautions (I'm using it far from any electrical device, I'm using isolated gloves, and so on). I just want to make this circuit for fun. Many thanks.

Topic by akopelumenuscu   |  last reply


Compressing hydrogen? Answered

I have a hydrogen generator and use the gas as i make it at the moment. I want to try compressing it, the issue is the gas is really a combination of pure oxygen and hydrogen in the perfect explosive mix. If i have flame aresters on all my pipes and have it well earthed as well as not using steel parts in the compressor so there is no chance of static or sparks from steel, will it be relatively safe to try compressing this into a cylinder? or am i insane to try this???

Question by benmurton   |  last reply


Tesla Coil Capacitor help

I have just started building my first tesla coil. I am fairly experienced with electrical stuff and high voltage but I can't seem to get past building a homemade capacitor that will work. My first attempt I built eight Leyden jars in parallel that were constructed from glass canning jars and metal tape. Next I tried lining a 5-gallon bucket inside out with aluminum foil. Lastly I tried assembled a rolled capacitor with aluminum foil as the plates and wax paper as the dielectric (about 10 square feet). All of these have failed in a similar fashion; I hook them into the circuit and the spark gap wont fire. There is no arcing however the bucket and jar constructions made a faint noise similar to a capacitor charging. I have seen instructables and videos with only three or four Leyden jars in parallel and the spark gap is firing. I don't know whether the homemade ones just don’t have enough capacitance or if it is something else. If anybody has any input on the problem please help. P.S. I am using a 14kv 35ma 60hz oil burner ignition to power the coil below is a diagram of the circuit configuration

Topic by hmf444   |  last reply


I have an Ariens Tractor it wont start please help read details

Its a pull start ride-on and its carborator i believe is be fine i cleaned it and it worked before it has spark and it has not run for a year but recently i got it started and i was riding it around having a blast then my friend took it for a joyride and held down the governor rod too long so ever since then it wouldn't start and it has compression but it sounds funny it like puffs out air after each pull    plz plz help thanks

Question by iracetractors   |  last reply


Can 18 months of non use of lawn mower cause a blown head gasket?

I just purchased a small lawnmower at a garage sale and the owner said he had not used it for 18 months or longer. I put fresh gas in it...changed the oil and spark plug and it started right up. After about 5 strips of cutting with no problems...it started blowing out smoke and the exhaust got very hot. Is that a blown head gasket and could the sitting idle for 18 months cause the gasket to deteriate? 

Question by gdoncowan   |  last reply


Black Powder for use in fireworks

I want to get into pyrotechnics as a hobby, and i thought i would start with rocketry. So my questions are: What is the best for a lifting charge for fireworks or a rocket, very very fine particles, or coarse granules? i read somewhere on the internet that granules are best, but all over instructables it says to grind it really well. And also, would adding steel powder/magnesium powder to enhance the spark effects alter the BP? like would magnesium make it more sensitive? Please answer, Thanks.

Topic by FunkNattidelic   |  last reply


need help with 2 cycle motor

So i am having some severe issues with a motorbike i am building. i have an old 2 cycle mccholluch pro-scaper weed eater. i took it apart, cleaned it, put it back together with a brand new plug and it ran nicely. Now, a few days later, it wont even start, not even a putter. i have tried everything, even a hefty shot of ether in the carb, but still nothing. i know i am getting volts to the plug b/c i checked with my meter, but im not sure if im getting spark. it is a brand new plug. any help would be greatly appreciated. thanks.

Topic by the mechanical engineer   |  last reply


Creating a handheld Emp device

Has anyone been able to create medium sized nonexplosive EMP generator? i recently purchased 4 oil capacitors each rated around 5.5KVDC and 32uF, from what i have learned, in order to create an EMP generator, you would need a to feed it a large amount of power in to  a heavy gauge magnetic coil. I believe my caps could do the trick. I will be charging them with a  ZVS driver coupled to a self wound ferrite transformer, then rectified. As for discharging i' will probably use a mechanical spark gap. I am hoping to create something like the shock pulse generators in amazing1.com, does my setup look feasible ?

Topic by tazerboy 


How do I get compression into my engine?

I have a 2000 Grand Am Pontiac 6 cylinder. I have low to no compression in my engine, i haven't got a compression test done, at first I thought it was because I had a hole in my radiator hose, but i changed that along with my battery and both are perfectly fine, but car still won't start. It makes the sound like there is no compression, so I was wondering how do you get compression back into an engine. I spoke with a mechanic and he said that i could pour transmission oil into the spark plugs and that should do, I just wanted a second oppinon and see if there are any other ideas.

Question by BriLaneaC   |  last reply


I have a Toyota conquest 1.6, 16 valve, 2002 model. My car is loosing compression. Please help?

I have a Toyota conquest 1.6, 16 valve, 2002 model. I have changed the fuel filter, changed the oil, bougi cords, ball joints, brake pads and the spark plugs. Last year October i put in a new clutch plate, pressure plate and trust bearings plus a new head gasket. The fuel filter and air filter is clean. My car is losing compression. One mechanic says my clutch plate is gone, one mechanic says the flywheel has either shifted or needs to be skimmed and the other mechanic says its my rings and bearings. What is the problem and how can it be fixed?

Question by ArupaA   |  last reply


X-Ray your finger with stickytape!

Scientists have discovered the cheapest source of potentially-useful X-rays.Peeling sticky tape emits X-rays strong enough to scan a human finger, a remarkable experiment has shown.US researchers used a motorised peeling machine to unwind a roll of Scotch tape at a rate of 3cm per second.By placing their apparatus in a vacuum, they measured X-rays strong enough to X-ray a human digit, according to a report in Nature journal.It is well known that unwinding sticky tape produces sparks of light that can be seen in the dark by the naked eye.This phenomenon, known as "triboluminescence", is produced by the friction generated when two surfaces rub against each other.The study, by Carlos Camara and Juan Escobar, of the University of California, Los Angeles, USA, provides evidence for the phenomenon, which was first observed more than 50 years ago. BBC story, with video

Topic by Kiteman   |  last reply


Can you insulate the primary coil of a Tesla coil?

Hello,    I am trying to build a tesla coil using a new design relating to a thesis paper I am working on. Due to spacial restraints my primary coil will be close to the secondary coil. I know I have seen others use insulated braided copper wire as their primary. I want to stay with 1/4" copper tubing if at all possible so I wanted to ask what affects it would have if I used heat shrink tubing on the copper tubing. I am aware the higher frequency voltage runs along the skin of the tubing since that is least resistive at that point. A for the power and caps I am using the following: three NSTs of which two are 15kv @ 30 miliamps and one 12kv @ 30 miliamps, 13 CD 2000VDC @ .15nf caps on each 15kv NST and 10 of the same caps on the 12kv NST. The spark gap is static for now.  I want to prevent arching as much as possible in the small space. Any advice is greatly appreciated. Some of the information relating to the thesis paper I cannot release due to a serious concern of being scooped before publication.  Thank you. :)

Topic by XsFacade   |  last reply


2001 Yamaha Warrior Stalling out when warmed up and wont start back up until cool?

Hello fellow instructable users! I have a 2001 Yamaha Warrior (as seen in profile picture). When ever I go out to ride the four wheeler has a hard time starting. I have to use a lot of starter fluid and patients (about five minutes worth). Once I finally get going it seems after about five minutes, about the time it takes for the machine to really warm up, it stalls out and I can get one more start out of it and then it stalls shortly after. Another important point is the fact that the spark plug is unusually dry. After the bike cools down I can get it to start again and ride for about a whopping five minutes and then its dead until it cools down again. The situation is that something is getting hot and changing, causing the bike to stall. The bike has a brand new battery, ignition coil, and the starter is in very good condition. What should I check for next?

Question by 2001warrior   |  last reply


Phenolic discs for whimshurts? Answered

So recently I found a webpage about someone using Phenol for a rotary spark gap for a Tesla, I had never heard of this material and don't know too much about it. For a while now I have wanted to make a whimshurst that is larger than the one I currently have (bought online, a gift from my family) but with my current one i have an issue with the acrylic discs not only not being balanced but also warped causing them to start vibrating on their shaft making it harder to turn the handle. I figure that because every piece of acrylic i have ever worked with has been warped that is would be best to find an alternative. My question is, would it be easier to keep phenol flat and balance or would it be best to stick with acrylic? another thing im curious about is this a material that would even work for this application? Lastly i would like to say that i did try doing a little research on this and didnt come up with anyone trying it for this purpose, i know that in some cases static can act a little differently than normal high voltage arcs (say, from a microwave oven transformer) which brings me to this question. P.S. im not sure what category this should go in, if anyone thinks there is a better one let me know and i will change it.

Question by pmk222   |  last reply


Unique Way to Get Around A University Campus

Hey there Instructables Community! I've used this site for years and years for everything from building my computer, making a crossbow, to feeding myself even this day at my University. Now speaking of which, the University of South Florida has a wonderful landscape. Plenty of paved walkways, foliage, and mild inclines here and there. The top 3 most common methods of getting about seem to be Walking, Longboards, and Biking. Now my question is: What sort of unique device or contraption could I fabricate for getting around campus?  I've come across custom decks for skateboards and recumbent bikes, but they just don't really give me that creative spark to make it. I want something unique and practical, let's not forget there are a few good slopes here and there I have to overcome. I'm a very fit individual so stamina won't be a hindrance in what I'll be willing to make, although funds are tight. It also has to be something I can either lock up at a bike rack, or carry into class and place it along a wall or carry it up stairs if I can't lock it up outside. Thanks for any advice, suggestions, tips, and such! P.S. Although it may be a bit off topic from the Rides sub-forum, here's my latest creation thank to Instructables! http://tinypic.com/r/217bqa/5

Topic by PatentPending   |  last reply


How do I replace worn out front struts on a 98 Honda Accord; and how much would it cost me? Answered

How do I replace worn out front MacPherson struts on a 98 Honda Accord; and how much would it cost me?Note; it seems I can use pre-assembled Monroe "Quick Struts"; would I still need the spring clamps if I us a quick-strut? I've heard this could be potentially dangerous; how would I minimize danger? Other things; would I need to bleed the brakes after? ( I assume yes) What's the basic idea behind that? I would need an alignment I'm going to assume, from what I hear, I can't do that at home - but can I get it "semi-right" to drive it to the shop? I have most of the tools available aside from a torque wrench. If I get a Monroe quick-strut, what other things would I replace? Any bushings/bearings/stuff that would be good to change at the same time? Personal experience, Changing oil/fixing radiator leaks/doing basic maintenance on cars (brake pads/rotors, spark plugs/ distributor cap etc) The easy stuff basically. Honda quoted me at 800, and independent quoted me at 600. I can buy those quick-struts for 180 a pop.

Question by DELETED_Phill   |  last reply


Wireless Power Transmission

Nikola Tesla's grandest vision was the transmission of large amounts of power without wires. His work in this area was abandoned by his contemporaries, and there is still much debate over if it could or could not work. I would like to hear your opinions on this. Do you think it is possible? Would it require only one transmitter, or several, spread across the globe? Would it be safe? Would it be worthwhile? Could Tesla's original spark gap circuit been sufficient to drive it? Or would it be better to use vacuum tubes or solid state setups? Would the operating frequency be very high or very low? Pictured below is how I think Tesla may have done it, based on the information I've seen. It's a bit over-simplified, but to the best of my knowledge, it covers most of what is needed. Please note that, although the transmitter terminals would be at a much higher elevation than pictured, the receiving terminals could stay at a relatively low elevation. This link is to a YouTube video of someone using a small Solid-State Tesla Coil for wireless power transmission: www.youtube.com/watch Edit: I had orriginally imagined that the system would work by capacitive coupling between the Ionosphere and the coils. Afterwards I realized that electrostatic capacitive coupling will decouple after seperation between two plates is greater than 1/2 the wavelength (or, at least in theory), so I personally abandoned the idea. The only problem is that I can't imagine how power would be sent to airplanes. Also, this is a very good read on the subject, from a very interesting site: www.teslaradio.com/pages/wireless_102.htm

Topic by ElectricUmbrella   |  last reply