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pvc combustion chamber reinforcement

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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pvc combustion chamber reinforcement

Unread postAuthor: BigGun » Mon Mar 18, 2013 1:14 pm

I got a ton of pipe laying around but its dwv. So what I did was made my gun evcet for very end. I took 4inch connector and with my dremel took out the stop ridge in the middle then sanded it smooth. Then i run them thru my table saw just on one side I put primer on combustion chamber then the pvc glued and slid the connector on the combustion chamber. I had a hose clamp on chamber ready to tighten. I put the hose clamp around the connector and quickly tighten clamp with wrench so I could get it tighter than using screw driver. did that all way down combustion chamber tthen layed gun aside and let dry for 24 hours. I am hoping the connector reinforces that dwv pipe. What do you guys think???
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Unread postAuthor: Zeus » Tue Mar 19, 2013 6:47 am

DWV should be fine for a spray & pray launcher, which I'm certain that you're building. Install the ignition in a double layer of PVC, and not in the endcap or walls of the chamber. Fire it with the endcap facing behind you, in case it blows out.
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/sarcasm, /hyperbole
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