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Cheap things to do??
Posting Guru
Joined: Jan 2004
Posts: 1,232
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If you are gonna make a spud gun, use aquanet hairspray. Cousin made them in the coast guard since you can't carry a firearm on the boat unless you are at war. They used them to clear off the pigeons. Shot a pine tree with one at 10 feet, went clean through.
Postmaster
Joined: Jul 2003
Posts: 2,544
Likes: 2
From: okc
aquanet does work great, but honestly almost any aerosol spray will work, i.e. deodorant, airfreshener and such, my friend has 3 or 4 potato launchers ranging from a small hand held one to a 8 foot cannon and he uses anything he can get his hands on to fire them, they are alot of fun and shoot very far BUT you must be very carefull with them, his nieghbor was shooting his smaller gun and somehow it went off in his face without a spud in it and the explosion literally ripped off half his face.....no joke....so if you must send spuds through the air at speeds over 300 mph use common sense....dont look at the boom end...... 
Elder User
Joined: Sep 2002
Posts: 525
Likes: 0
I once made a spud gun powered by propane I used a gas grille for parts and had it mounted on a turret it was made of all metal at night it would blow a blue flame 10ft long. I kept adding more propane to shoot it further and it finally split the combustion chamber,
Junior User
Joined: Sep 2004
Posts: 52
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Post Fiend
Joined: Jul 2003
Posts: 11,945
Likes: 3
From: Spokane, WA
Okay Kevin, how's the progress coming on the flame thrower? I'm planning to get headers next month and have my exhaust routing pretty much all figured out. Tail pipes will be straight out the back so I want to get the flames going. 
Posting Guru
Joined: Feb 2002
Posts: 2,404
Likes: 3
From: Cleveland, WI USA
Uh... not good. Fuel pump is too weak, then it sprung a leak and now it's toast. Gotta find an in-tank pump from a FI engine with enough pressure to atomize the fuel, and I need to get a few more sizes of jets to play with.
I can still pull the choke and pop a few small flames, but I don't like doing that.
Bottom line, gottat put the flames on hold again and finish the roll cage and dash. But I will have it running by summer.
Sorry.
Kevin K.
I can still pull the choke and pop a few small flames, but I don't like doing that.
Bottom line, gottat put the flames on hold again and finish the roll cage and dash. But I will have it running by summer.
Sorry.
Kevin K.
Posting Guru
Joined: Jan 2003
Posts: 1,162
Likes: 1
From: House Springs, MO
Hey Kozak
How did you get a constant spark to run to the plug? Was it as simple as running a plug wire from the coil to a plug and then flipping a coil switch to 'Ignite', or was there something else you had to do?
How did you get a constant spark to run to the plug? Was it as simple as running a plug wire from the coil to a plug and then flipping a coil switch to 'Ignite', or was there something else you had to do?
Posting Guru
Joined: Feb 2002
Posts: 2,404
Likes: 3
From: Cleveland, WI USA
Nope. Not that simple. I have a relay wired in there to "buzz" on and off, and a ballast resistor to keep the relay from burning up.
Do s google search for "flamethrower exhaust" and click the second or third result. That guy has all the wiring diagrams I used.
K.
Do s google search for "flamethrower exhaust" and click the second or third result. That guy has all the wiring diagrams I used.
K.
Postmaster
Joined: Jul 2003
Posts: 2,544
Likes: 2
From: okc
i remember back in high school my friends dad was telling us about the flame throwers on his old mercury. we asked him how he hooked up his spark plug, so he showed us.....all he did was solder a wire to the base of the plug(ground) and one to the tip(positive) when he touched them to a car battery it had a constant arc....he said he put a switch in the positive wire and that was it, no relays or anything.......he didnt have any kind of fuel inlet, he just pulled the choke a bit, but he told us the flames werent as big as he wanted and he never did figure out the inlet set up, he was too busy racing everyone in town 
Posting Guru
Joined: Jan 2003
Posts: 1,162
Likes: 1
From: House Springs, MO
If that's the case, then the plug base is already grounded thru the tailpipe, and what I have to do now is wire up a switched hotwire to the other end.
We'll get this thing working yet...
We'll get this thing working yet...