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Tin-can Cannon

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Tin-can Cannon

Unread postAuthor: I707erSk8I » Tue Dec 16, 2008 3:48 pm

http://www.spudfiles.com/forums/old-school-tin-can-cannon-t14208.html

I have a Question about the Thread above.

I am making one of these right now and I cant figure out how to get rid of that little rim on the top/inside of the cans. Do you know what im talking about?

I have the Bottom can done already with the old fashion Can opener, but I cant figure out the other three cans.

Any Ideas on how to get rid of that lip at the top?

Thanks ahead of time :)
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Unread postAuthor: ALIHISGREAT » Tue Dec 16, 2008 3:57 pm

you could grind it with a dremel... or maybe a de-burring tool would work? how big is this rim?
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Unread postAuthor: jimmy101 » Tue Dec 16, 2008 3:58 pm

Leave the rim in place, the ammo fit is so poor that it doesn't really matter.

If you want, you can run a screwdriver shaft around the inside lip of the can to smash the cut edge down a bit.
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Re: Tin-can Cannon

Unread postAuthor: jrrdw » Tue Dec 16, 2008 4:09 pm

I707erSk8I wrote:http://www.spudfiles.com/forums/old-school-tin-can-cannon-t14208.html

I have a Question about the Thread above.

I am making one of these right now and I cant figure out how to get rid of that little rim on the top/inside of the cans. Do you know what im talking about?

I have the Bottom can done already with the old fashion Can opener, but I cant figure out the other three cans.

Any Ideas on how to get rid of that lip at the top?

Thanks ahead of time :)


You could have posted your question in that thread but don't worry about it. You could use a hack saw, bench grinder, tin snips.

Welcome to Spudfiles. :D
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Unread postAuthor: I707erSk8I » Tue Dec 16, 2008 4:39 pm

ok I solved the problem. I opened a different kind of canned goods :lol:
This time it doesnt have a rim so now I have everything.
I will post pics and a vid when its all done

Thanks :)
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Unread postAuthor: starman » Tue Dec 16, 2008 5:59 pm

I707erSk8I wrote:ok I solved the problem. I opened a different kind of canned goods :lol:
This time it doesnt have a rim so now I have everything.
I will post pics and a vid when its all done

Thanks :)


You want to keep the rim at the bottom for some structural integrity. Just butt the top rim to the bottom rim of the next can and wrap it with some good tape....I used gaffer's tape on mine. Duct tape will work as well.
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Unread postAuthor: SP00K » Tue Dec 16, 2008 6:27 pm

You could just cut off the top of the can.
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Unread postAuthor: ralphd » Tue Dec 16, 2008 7:09 pm

I just happen to have a new can opener by Pampered Chef Wal-Mart brand which cuts the rim on the outside and leaves a nice clean cut. Look here....

http://www.pamperedchef.com/our_product ... oryCode=CE

I will post pics of mine soon
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Unread postAuthor: ralphd » Tue Dec 16, 2008 7:09 pm

I just happen
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Unread postAuthor: I707erSk8I » Tue Dec 16, 2008 10:48 pm

Im testing it tomorrow after I get home. I hope it works good and sounds cool lol
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Unread postAuthor: Xxplosive42o » Tue Dec 16, 2008 11:06 pm

If you got any 3mm suppliers near your house they have tape specifically designed to hold metal pieces together and not warp under heat. It forms a pretty solid bond haha.

http://www.shop3m.com/glass-cloth.html

They carry various types as well; I just figured that might be the best.
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Unread postAuthor: I707erSk8I » Wed Dec 17, 2008 10:19 am

Yeah im using aluminum tape.
I think it should work fine. I guess we'll see later on :lol:
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Unread postAuthor: I707erSk8I » Wed Dec 17, 2008 1:00 pm

Oh I forgot. What should I use as a Propellent?

I used to do little 2 Liter Bottle Rockets and I put Nail Polish Remover inside and lit that and it flew off in the air.

Any Ideas for the Tin-Can Cannon?
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Unread postAuthor: ALIHISGREAT » Wed Dec 17, 2008 1:07 pm

I707erSk8I wrote:Oh I forgot. What should I use as a Propellent?

I used to do little 2 Liter Bottle Rockets and I put Nail Polish Remover inside and lit that and it flew off in the air.

Any Ideas for the Tin-Can Cannon?


well in the tin cannon thread you linked to, lighter fluid was used.
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Unread postAuthor: I707erSk8I » Wed Dec 17, 2008 1:27 pm

I know, but I dont have Lighter Fluid :?
Which is why I was asking.

(im gonna be 16 in about 2 months, my parents dont hand me lighter fluid when I ask for it lol :lol: )
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