Miniature spudguns
Everybody makes bigger and better Combustion cannon however i have created a aerosol super mini potato launcher. the gun uses simple household items to make an interestingly fun tiny gun
thunb|100px|frame|right|Very Rough Sketch
Materials :
Tylenol bottle
2 thumbtacks
pen tube
long grill lighter
How to make it
First take apart a pen and get the tube out. next cut a hole in the Tylenol bottle, not the cap the bottom, slightly smaller than the pen tube stick the pen tube in the hole and coat the joint with pvc glue. next poke to 2 thumb tacks thou the cap and and make sue the closest part of the meal is on the inside of the cap finally take apart the lighter and pull out the little white clicker. there are many different versions of these so try and locate the 2 electrodes and solder wires to both then solder the wires to the thumb tacks and spark it a few times to make sure its sparking in the right spot.
to load it just stick the barrel in a potato and shove the chunk down the barrel
then take an aerosol can and spay a tiny amount into the chamber then shake it few times to get a good fuel air mixture it and fire!
Trouble Shooting
if you can get it to fire most likely you have too much fuel blow it out and start over.
try different amounts aerosol until you get a fire
don't try and stick any thing too big into the barrel or the cap will pop off
it shoots the potato 10-20 feet and gives some good fun!
if anyone has any variations please post them!