Possibly
My welding teacher just approved of me to build a "High pressure cylinder"
aka a hybrid chamber
Heres what I have in mind
3000 psi 3/4" steel union, 2" sch-80/120 steel chamber, all welded steel fittings.
I plan on using propane/oxy, or map/oxy, air/propane 8+mixees, and some testing with acetylene.
I am just waiting for a price list to come in on the materials, and if the budget is reasonable I plan on takng on this project.
This topic is to serve as a build log/suggestion, question area.
New Project Starting
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frankrede
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Yes indeed.
and good news the total cost of the project was just cut in half.
all I need to buy is the pipe and a union and some pieces of scrap steel.
and good news the total cost of the project was just cut in half.
all I need to buy is the pipe and a union and some pieces of scrap steel.
Current project: Afghanistan deployment
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windshrike
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Use saboted ammo. Break Mach 5. Please 
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Fnord
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Honestly, if I were you I would also get a 1.5 or 2" union.
The wall-destroying power of large bore hybrids is something you won't soon forget. It'll probably be a lot more fun than just sending marbles through plywood too.
The wall-destroying power of large bore hybrids is something you won't soon forget. It'll probably be a lot more fun than just sending marbles through plywood too.
I don't think anyone here will be breaking even Mach 3 anytime soon (depending on how long it takes Killjoy to make his 11x O2/H2 hybrid), but this could be an interesting project. If I was able to order from McMaster, I'd probably build something like this too.
I agree that a large bore hybrid would be loads more fun than a small one, I'll probably make a 2" calibre at some point, but with all my ongoing projects, I won't be starting any new ones in the near future.
Frankrede: I wish you luck with building this, and hope it turns out well.
I agree that a large bore hybrid would be loads more fun than a small one, I'll probably make a 2" calibre at some point, but with all my ongoing projects, I won't be starting any new ones in the near future.
Frankrede: I wish you luck with building this, and hope it turns out well.
Spudfiles' resident expert on all things that sail through the air at improbable speeds, trailing an incandescent wake of ionized air, dissociated polymers and metal oxides.
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frankrede
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I already have a large hybrid, and I am looking for performance with godly highpressures._Fnord wrote:Honestly, if I were you I would also get a 1.5 or 2" union.
The wall-destroying power of large bore hybrids is something you won't soon forget. It'll probably be a lot more fun than just sending marbles through plywood too.
But thanks anyways.
Current project: Afghanistan deployment
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frankrede
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The parts are being ordered and all the fittings will be made using 1/4" plate steel for bushings and my plug, with the only threads on the spark plug and fuel injection.
This cannon shouldn't cost more than....20$ minus the ignition.
This cannon shouldn't cost more than....20$ minus the ignition.
Current project: Afghanistan deployment