A quick few questions..

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
bobsta
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Joined: Sat Sep 18, 2010 1:38 am

Sun Oct 17, 2010 7:11 am

Hey guys,

I have a couple of probably simple questions..

As you will notice I have uploaded a picture of DirtyDan's combustion cannon, i just have a few questions about it !

Ok so green 1, 2 & 3.
1. The valve to the 'propane' tank
2. The only reason I see the use for this valve is so that you can hold the pressure between valves 1 and 3 for an extended period of time and not worry about pressure in the rubber tube between valves 1 & 2.
But why wouldn't you just remove valve 2 & remove the rubber tube, and just have brass fittings from valve 1 to valve 3 ?

Wouldnt that work?

Don't worry about the Red 1 and 2. I figured that out.

Hopefully you understand me :D

Cheers.
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DirtyDan's Cannon. Just using picture for reference.
DirtyDan's Cannon. Just using picture for reference.
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Technician1002
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Joined: Sat Apr 04, 2009 11:10 am

Sun Oct 17, 2010 9:57 am

You are new. Search Propane Meter and it's function should show the reason for 2 valves. Between 1 and 2 is a delivery hose. Between 2 and 3 is a calculated volume for the metering of propane.
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