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silly string fumes=combustion??

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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silly string fumes=combustion??

Unread postAuthor: chisox21 » Sat Apr 05, 2008 11:02 pm

Hey guys I just bought some cans of silly string from the dollar store for some reason i dont know why it just seemed appealing. On the can it has the usual caution extremely flammable store under 120 crap, and this intrigued me. It gave off some nasty fumes too. Im thinking the fumes may work as combustion, and can be used innocently by younger secretive spudders. Just wonderin if anyone ever tried it or if anyone had a clue what would happen.
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Unread postAuthor: DTReaper » Sat Apr 05, 2008 11:12 pm

It's basically a cheap flamethorwer due to the silly string being in it.

-DTR
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Unread postAuthor: chisox21 » Sat Apr 05, 2008 11:35 pm

so if i sprayed some silly string into my cannon would the spark light the fumes or would string have to physically be on the spark?
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Unread postAuthor: bigbob12345 » Sat Apr 05, 2008 11:51 pm

It might
but why silly string, it would cover your chamber in crap and it would be more expensive than alternantive options
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Unread postAuthor: chisox21 » Sun Apr 06, 2008 12:01 am

lol its at a buck a can
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Unread postAuthor: bigbob12345 » Sun Apr 06, 2008 12:11 am

well propane is two bucks a can and provides a lot more powerful shots and more of them per one can.
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Unread postAuthor: Lentamentalisk » Sun Apr 06, 2008 1:25 am

bigbob12345 wrote:well propane is two bucks a can and provides a lot more powerful shots and more of them per one can.

Depends on the size of the "can". My can cost me $30 and that was empty. then I had to pay $20 to have them fill it. But now i get it at a buck a pound, which is only 1/2 the price if you buy it in the canisters
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Unread postAuthor: potatoflinger » Sun Apr 06, 2008 8:59 am

I don't think silly string is a good option, if you're spraying it into a cannon it's going to get silly string all over the inside of it, and most of the silly string canisters that I've had didn't have any flammable gases in them.
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Unread postAuthor: DYI » Sun Apr 06, 2008 9:01 am

Either way, an average sized combustion cannon can get over 8 000 shots on a single 14.1 ounce propane tank, which costs about $4 after taxes. So unless you can get 2 000 shots or more out of your Silly Strings can, it isn't worth it, and it will gum up your chamber even worse than hairspray.
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