What are you currently MAKE'ing?
Thought I would break the ice with an obvious.
I just thought of this an hour ago, and haven't had a chance to work on it. I want to take out the huge antenna on my cell phone and just wind a coil around in my phone's case. Shouldn't be hard.
(The "MAKE" is MAKE an antenna that fits inside your phone.)
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Oct 25, 2006. 12:15 AMtrialex
says:
Hey guys. I'm working on an automatic flamethrower. I'm having trouble with the ignition stage, and if anyone has any ideas that would be great. I starting off trying to use a servo to push down on a peizo electric BBQ lighter - but the force required is too much for a standard servo. I can't find any cheap and safe coils to create a spark across a spark plug. My solution, which works but is non-permanent and a bit fiddly, uses a disposable camera flash to create a high voltage, then two wires soldered to the flash tube are touched together. The wires are brought together automatically by a servo. I'd really like to take the servo out of the equation - the arms holding the wire tend to shift over time. if anyone has any ideas on how to make a spark at a timed interval that would be awesome.
May 22, 2012. 5:19 PMtrialex
says:
Ha! It only took 5.5 years but I finally found a solution!
http://www.sparkfun.com/products/11218
Works on 5V logic, sparks across 0.5"
Halloween automatic flame-thrower here I come!
http://www.sparkfun.com/products/11218
Works on 5V logic, sparks across 0.5"
Halloween automatic flame-thrower here I come!
Feb 2, 2010. 6:08 PMM4industries
says:
Try an ignition coil and diver circuit hooked up to a spark gap in the tube.
Jan 9, 2010. 8:14 PMZaphod Beeblebrox
says:
what about insteadof a servo you could use a hose clamp and moter witch would squeeze the button down
Apr 4, 2009. 3:48 AMtumadre776
says:
what if you but the grill ignitor behind the trigger and just had a bigger trigger to push both at once.
Try a rotary igniter. My barbeque uses one - just turn the knob for ignition. It should be easy enough to gear it down for use with a servo.
Dec 13, 2008. 4:04 AMpbekic001s
says:
dude just take a deodorant spray and a lighter. Then spray it and light it. theres ur simple flamethrower
Dec 14, 2008. 1:55 PMtrialex
says:
I think you missed the "automatic" bit. I don't want to have to be there when it goes off. Think about it like a burglar alarm that instead of triggering a siren triggers a flamethrower. Now how are you going to get the lighter to light automatically? That's my question!
Oct 7, 2008. 11:24 AMDarkmoon
says:
A cockroft walton voltage multiplier would probably work well, it only uses capacitors and diodes. Use a micro or a 555 to pulse the input voltage and you have a nice lightweight high voltage generator.
http://en.wikipedia.org/wiki/Cockcroft-Walton_generator
http://en.wikipedia.org/wiki/Cockcroft-Walton_generator
Nov 17, 2008. 6:13 AMAhmed.AlAmir
says:
Ummm, correct me if I am wrong. To generate a spark, a spark plug needs high voltage provided from the battery 12v pulsed into the ignition coil.
Jun 10, 2008. 9:33 PMpsymansays
says:
One ignition method that works is to run 120VAC through a DC Capacitor in your combustion chamber. Use a relay to switch it the volts on/off; that's what your current servo situation is emulating, is a relay.
Jan 26, 2008. 2:54 AMlarsjet
says:
Hi trialex I read your comment. Why dont you use something called a jacobs ladder. Or by a small stun gun which you can remotely fire or even attach a long cord with a switch to. These both make a spark which lasts so why dont you try it... stun guns are really cheap!
Mar 21, 2008. 3:19 PMFirebert010
says:
A Jacob's ladder requires extremely high voltage, it would be far too dangerous to walk around with one of these on the end of something. Not to mention a device that produces the voltage that is required to make it is by no means portable.
Mar 10, 2008. 2:58 PMrocker9455
says:
i have the best page for you - http://www.angelfire.com/80s/sixmhz/camera.html - i used this for my spudgun it takes a while to perfect the gap but works brilliantly so the servos out the way with this ...
Jan 27, 2008. 1:19 AMtrialex
says:
Thanks, but in Australia, stun guns are neither cheap nor legal.
Jun 10, 2008. 9:31 PMpsymansays
says:
You could try using a DC-DC converter from an automotive neon tube thingy like they sell at auto parts stores, for your high voltage. You could probably get enough volts to jump across a car spark plug, for example.
Jan 1, 2008. 6:30 PMsilentromance
says:
I'm in the process of boosting the bass and sound on My cd player, and doing an intructable on the process of jumping them
Jan 1, 2008. 1:34 PMtrialex
says:
Nice thinking, but the problem is the pressing of the peizo element! The system won't have any human intervention - nobody will be pressing the button. I need to find a way to automatically create the spark - I can't anything practical the push a peizo element for me - servos etc. don't have anough power.
Dec 13, 2008. 4:07 AMpbekic001s
says:
or you could just atttach a lighter to the part and turn it which will create a spark
Dec 2, 2007. 8:47 PMw00ty32
says:
Create a wire that will have a contained short... i saw it om mythbusters, not sure quite how to do it...
Leverage! You have a (long-ish) arm, pivoted at one end. Position the BBQ sparker under the arm near the pivot end, use the server to lower the far end.
Oct 26, 2007. 1:02 PMWVSAL311
says:
you can use a coil and from a fuel oil furnace 110 vac to 100000 vdc
Oct 21, 2007. 10:43 AMJohn Smith
says:
You could use a flyback transformer. That should be enough to get it going.
Jun 27, 2007. 2:09 PM_soapy_
says:
Use a cheap tazer and run some wires from the end, or remote the switch and put the tazer at the muzzle. I'd go with a gas torch to light, though, as it will be fairly windproof, and is sure to light the liquid. You could tap the fumes off the tank and light that out a nozzle, rather than carry extra. I'd make it so the ignition was split from the spray, so each can be toggled separately. Remember you want to be able to spray a fairly thick liquid, remember that the tank is a bomb if you get it wrong, and remember that this isn't going to be a toy.
Mar 10, 2008. 3:24 PM_soapy_
says:
So using a stungun is probably a good idea then. Big fat hot sparks, and a reliable trigger and circuit.
Jan 22, 2007. 2:20 AMmark101
says:
An allways lit pilot light is what the pros use no? say a lighter like a zippo, how long would the feul last? I think this is safest , as you don't want an accident spill of a large amount of fuel to all of a sudden be ignited.
Jan 22, 2007. 9:03 PMtrialex
says:
Yeah that's not a bad idea. I guess when I started the project I was looking for something that I could leave for days on end, and I thought a zippo would be too prone to going out over that time period. Now I'm thinking of a more short term use (like 30 mins) so a permanent pilot may be the way to go. It's been fun playing around with electric sparks though!
Jan 22, 2007. 9:33 PMjtobako
says:
why stuck on electric? attach a flint sparkwheel (like any cheap lighter or, better, one of these old sparky guns) to a regular motor and spark away...
Jan 23, 2007. 2:15 PMmark101
says:
they use a spark generator(like that?)under the NASA spacecraft for 10 second before takeoff, too make sure the flame doesn't accidentaly go out.
Jan 23, 2007. 2:13 PMmark101
says:
thats cool idea! I like it, only factor there is that the spark temperate has to be able to ignite the fuel. Some fuels need a big kick to get going.
Jan 4, 2007. 8:14 PMsandpaper600
says:
I don't know if you've overcome your igniter problem, but RV furnaces have a multispark igniter that runs off 12VDC.
Jan 2, 2007. 6:54 AMdijme
says:
depending on what you are making the hull of the gun out of you could drill holes and attach small bolts (as small as you can find), align them where the ends will be close enough together to create the spark.You said you already were using an igniter from a BBQ right? just hook the wires to each of the bolts.
Jan 3, 2007. 7:29 PMtrialex
says:
yeah but howe do you push the button that makes the spark? a regular servo doesn't have enough torque
A stun gun will create nice (and somewhat continuous) sparks. The circuit is simple enough that you can probably duplicate it on a slightly smaller scale.
Nov 22, 2006. 9:47 PMmdivinc
says:
fine steel wool,2 wires, 9 volt battery. Ignites anything. Mike D NJ
Nov 30, 2006. 7:09 PMtrialex
says:
I actually don't think it would... I tried heating up nitrile wire (i.e. my foam hot wire cutter) and it wouldn't ignite the spray
Nov 22, 2006. 9:45 PMmdivinc
says:
you can use a small piece of steel wool (fine) insert 2 wires of 24ga. or thicker and a small 9 volt battery. The steel wool burns up igniting what ever you want. Mike D NJ
Nov 22, 2006. 8:32 PMDr. No
says:
Take the guts out of one of those elctrified misquito rackets and just press the button when you want it to spark. And don't touch the wires, they hurt a lot.
Nov 6, 2006. 9:05 AMseudo411
says:
U can use a ignition coil / relay setup... That creates contious spark, using a car spark plug....
Oct 25, 2006. 12:46 PMspinach_dip
says:
what's your budget here? can you affford a $5 junkyardHHH auto recycling center ignition coil?
Oct 25, 2006. 1:06 PMspinach_dip
says:
Is there a tutorial on the markup language used?
I've just discovered that a caret makes text following it superscript. An additional caret (that thing above the "6") makes it drop down to normal level.
H2O
So is there a help page? Why is there no "comment help" on the comment submission form? How would we escape this feature/EASTER EEG?
I've just discovered that a caret makes text following it superscript. An additional caret (that thing above the "6") makes it drop down to normal level.
H2O
So is there a help page? Why is there no "comment help" on the comment submission form? How would we escape this feature/EASTER EEG?
I wonder if there is a thing for subscript?
SuperScript
Sub\/Script
SuperScript
Sub\/Script
Haha -- exactly 1 year, 1 day :P (We've had forums for a year!?)
Oh my, I need new glasses.....I didn't see the year LOL *blush*
Apr 13, 2012. 10:42 PMprotolabs
says:
i am making sprockets!!! http://www.instructables.com/id/simple-wooden-sprocket-without-cnc-machines/
Feb 8, 2011. 7:03 PMData643
says:
I'm making a helicopter rocket (Make: 25) but instead of cardboard, I'm using thin acrylic tubes.
Oct 31, 2010. 5:31 AMTheTechGuy99
says:
Im working on a wrap around workbench w/ 3 sides and 24 square feet of space. it is meant to replace my old one that was originally meant for toys.
Aug 3, 2010. 8:42 AMrunning
says:
working on nerf mavrick, replacing center tubes,removing restraters, and the hardest part, triing the build a 7 counrter led light to show remaining bullets left, hopfuly adding sound and a mister of small smoke maker in front; that goes off with every shot, allso that when look great a small about of smoke and laszer light coming from the front. maybe in the furture i;ll make some sort of keinic sparker running thought it.
Oct 17, 2009. 12:48 PMM4industries
says:
Vann de graff
Motorized Bike
Makey the Robot
Homemade BUSTED sign out of steel. (Need Plasma cutter)
Motorized Bike
Makey the Robot
Homemade BUSTED sign out of steel. (Need Plasma cutter)
Jan 9, 2010. 8:06 PMM4industries
says:
I have the welder, but an oxy-torch is too inaccurate, only a plasma cutter will work.
Maybe I can use one at Techshop!
Maybe I can use one at Techshop!
Jun 20, 2009. 3:33 PMdonnyj
says:
Something I have been planning to make for a few weeks now and am still currently working on is what I like to call potato artillery. it is a four shot electrically fired pneumatic cannon that is basically 4 regular cannons linked together but . . . slightly modified with an aiming system that is also electrically controlled.
Jun 9, 2009. 3:20 PMroo525
says:
I'm making an invention I like to call, the air blaster. Simply it's a diy teaching how to make a portable air cannon that can fire tennis balls, baseballs, and mabey eventually a grappling hook! It is basically a small aluminum case that can be filled with compressed air from an air compressor.
Apr 19, 2009. 7:35 PMeyebot117
says:
Hi everyone. I'm working on all kinds of stuff right now. I'm collecting parts for an Xbox 360 that's modded into an alluminum suitcase, has USB ports, WiFi adapter, power cable, and a built-in LCD screen from a computer monitor. I'm still in the beginning brainstorming stage of developing a ballpoint pen that can change the color of its ink with the turn of a dial and the tone with another dial. I'm designing a sperical shaped RC robot but one that can split open like a plastic easter egg (and still move, use grabbers, shoot rubberbands, etc...). I'm working on a costume made from cardboard that looks like the guy in my profile image. It's going to have RGB LED's in the head and on the arm, leg, shoulder, and chest armor. The only problem is making it, and seeing out of it! I'm working on a million (not really) water weapons (check out my group-The Water Warrior Group) including-water rocket launchers (shoulder mounted, possibly with an ammo clip)!!! I always design everything on Google SketchUp first (check out my group- Google SketchUp group), to make everything easier to build.
i'm knitting this awesome blue beanie with earflaps. I already made a goomba out of felt and i'm going to place it on one of the earflaps. It's gonna be amazing lol
Mar 10, 2009. 9:06 PMtrialex
says:
Well I've moved on from the automatic flame-thrower below; although that post still continues to generate replies two years later. Current projects include high-altitude balloon & giant gameboy
I am planning the construction of a microwave plasma torch using MW oven components.
Mar 9, 2009. 7:18 PMTXTCLA55
says:
well i have severl projects going,....a solar roller, a RC spy car with mini camera, and a NES PC!
Feb 14, 2009. 6:06 PMteknoman
says:
Ok, I just thought of this. How about a small subwoofer that is build inside your computer case and hooked up to a circuit that gives your computer a "heartbeat" and makes it got faster say the hotter it gets inside your computer? Any thoughts or ideas on this would be much appreciated, cause I'm not sure where to start with the circuit.
I am hoping to construct a few more test equipment style projects in the next few months.
Well, my "annoying beeping thing" has come to an abrupt halt....it doesn't make a sound and I am running out of options as to what the problem might be.... But, I got a new UJT, so my next project will also be a sort of noisemaker ;-)
Oops, it is going to be a modified version of a Hands-off alarm.
Dec 10, 2008. 5:34 PMcamperken
says:
I'm putting up a pole building for my forge, welder, homemade anvil and other stuff. I got the poles in the ground, rafters up and collecting pallets for the sides. Getting some free roofing. Cost for 16 by 16 will be under $250.
Nov 28, 2008. 11:51 PMlordofthedonuts
says:
I'm making a car horn for my bicycle (up coming 'ible), I'm working on a small ROV, and I'll build a Remote controlled blimp.
Jun 25, 2008. 12:22 PMHephaestus
says:
I am currently making my second phonograph. This one will hopefully record onto drink cans. as well as play conventional cylinders. It is almost complete. I am currently tweaking it to improve playback quality.
Isn't this the Machinist's Phonograph from Make 14? That article was extremely complete. Any chance you're considering turning it into an Instructable?
Oct 22, 2008. 3:33 PMHephaestus
says:
Almost. This one is mark 2. On my first machine featured in Make you will see that the speed control is on the top of the machine. This one has it on the front. Also the box on this one is red oak while on Mark one it is pine. I have also made the mandrel removable by having a threaded spiggot. Much of the other working are the same. Since I took these photographs I have been working on an electric recording head using a speaker rather than the acoustic attempt shown. I can provide drawing for mark 1 but I haven't done them yet for mark 2 Best Wishes Roy Maybery
Jun 30, 2008. 5:24 AMgmoon
says:
Cool! My neighbor just bought an Edison, and demoed it for me. (BTW, his voice cone is MANY times larger than that...) You're cutting your own wax cylinders? Excellent...
Wow - I can't wait to see that project. Don't forget to include sound files.
Adding a switch to cut out the buzzer on our clothes dryer. The d**ned thing is loud enough to wake our six-month-old daughter. I didn't take pictures before cutting the hole and mounting the light switch, so I probably won't do a decent I'ble about it.
Oct 14, 2008. 6:55 PMdudeman176
says:
Howdy. I'm working on a hypothetical RPG idea, hypothetically made of estes alpha rockets and explosives (probably m-80s). I'm also working on a hypothetical launcher.
I'm working on a whole lot of stuff, but really slowly [cos i'm a lazy bum who procrastinates]: a periscope using side view mirror motors an LED sequencer a welding bench antiqued [sp] german dog tags a boolean function generator using a MUX some upgunned ear-buds rusty furniture the perfect pork dumpling
Right now I have a few projects I'm wanting to work on. Mostly more pasties, a giant moustache pillow, chastity belt, etc. :P
Oct 3, 2008. 6:51 PMsasquatchbmx
says:
Actually I just made a "no weld recumbent bike" it was pretty fun and easy to make, although I'm still working out a few flaws in the design. I have fun riding it around town and getting everyone's reaction.
Oct 2, 2008. 11:21 PMDerin
says:
extension cord,the project just got rejected yesterday by my father(the 1,000,000th time)
Oct 2, 2008. 11:23 PMDerin
says:
so,im currently about to MAKE a sandwich since it is 9:30 in the morning and im hungry
Oct 2, 2008. 6:42 PMamyles
says:
Just finished a modification to the DIY Camera R-Strap. If there are any photographers here trust me, having one of these is a must!
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