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Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: SpudBlaster15 » Wed Nov 08, 2006 1:34 am

tylerthetatertosser wrote:how did you know the size of pipe between both valves for the perfect shot thing. because i was thinking of making a propane injected gun


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Unread postAuthor: sgort87 » Wed Nov 08, 2006 10:30 am

I think he means the volume of the elbows. Honestly, I can't remember if I gave it a fluid volume measurement or if I calculated an estimation. Either way works fine but fluid is more accurate. Propane doesn't have to be a perfect mix. It has to be close though.
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Unread postAuthor: SpudBlaster15 » Wed Nov 08, 2006 6:27 pm

sgort87 wrote:I think he means the volume of the elbows.


No, he means the meter pipe. How do I know? I talked to him about it today.

He asked how you determined the size of the pipe between the 2 valves. How in the hell does that have anything to do with the volume of the elbows?
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Unread postAuthor: sgort87 » Wed Nov 08, 2006 10:47 pm

Ohh! Yeah, I'm dumb. How did I mess that up?

Yeah, I just know the forumula and did the math myself.
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Unread postAuthor: SpudBlaster15 » Wed Nov 08, 2006 10:56 pm

I think most people know the math/formula for calculating the meter pipe length, but most would prefer to enter known values into a calculator instead.
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