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Mini Hybrid

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Unread postAuthor: SpudStuff » Sat Sep 16, 2006 7:20 pm

You need to have a piece of acrual pipe threaded for this. thoes Molded Sprinkler risers just win't cut it. They are thick but often have defects.
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Unread postAuthor: Benny » Sat Sep 16, 2006 7:38 pm

noname are you australian?
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Unread postAuthor: SpudStuff » Sat Sep 16, 2006 7:45 pm

no he lives in california ~35 miles from me.
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Unread postAuthor: Benny » Sat Sep 16, 2006 7:46 pm

Ahh, ok.
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Unread postAuthor: noname » Sun Sep 17, 2006 11:02 am

Spudstuff, by sprinkler risers do you mean the different lengths of SCH 80 3/4" and 1/2"? Most of them around here actually say "3/4" SCH 80 940 PSI @ 73 DEGREES" and then all the ASTM ratings and stuff like that. At Ace Hardware, in the back they have pipe cutters and dies going from 1/8" to 2", so I'll just get a piece that has the pressure rating on it, cut it to size, then use a 3/4" or 1/2" die to thread both ends.
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Unread postAuthor: SpudStuff » Sun Sep 17, 2006 3:05 pm

Oh okay then. The Home Despots (had to do that) only have molded ones.
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Unread postAuthor: Jolly Roger » Tue Sep 19, 2006 8:20 am

Hey dude, I'm just not sure bout your BBQ lighter thats all. Your gaps are going to have to be really small being such as dense mix. You could incorporate a capacitator into the design. And did your little sister draw that design for you? (Sorry man had to say it) :lol:
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Unread postAuthor: spanerman » Tue Sep 19, 2006 2:26 pm

you are goin to need a realy smal gap with tht mix id say use a disposable camera curcuit and double up on capasitors and use the bolt through and jb weld

peace,sam.
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Unread postAuthor: noname » Tue Sep 19, 2006 7:17 pm

I'll just make a really small gap.
Jolly Roger, I don't even have a little sister. It was just a rush job using only the pencil in Paint.
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Unread postAuthor: Jolly Roger » Tue Sep 19, 2006 11:07 pm

Yeah jokes man...
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