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Air/Fuel Percentages for Propane

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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Air/Fuel Percentages for Propane

Unread postAuthor: khepera1997 » Thu Feb 18, 2010 6:28 pm

Thank you for Your Replys you Really Helped Me But Now all i Have is One More Questions and that is: how Much Air/Propane Should i use (S.P. id Prefer you Tell me in P.S.I.)

Pleas And Thank You.
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Unread postAuthor: mark.f » Thu Feb 18, 2010 8:15 pm


I can't tell you in PSI. I would need the meter volume, chamber volume, and mix number.

Second of all, the air/fuel ratio (volumetric) for propane is 4.2%.
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Unread postAuthor: MrCrowley » Fri Feb 19, 2010 6:38 am

And I keep telling you to search! You obviously have no clue what you are doing if you think we can just give you a fixed PSI (unless it was manometric metering, but you still should be able to figure that out yourself). Anyway, all the information you need is on the forum, check the forum sections which I told you to in your last topic.

If you don't listen to us, we wont listen to you. Make another stupid topic and it will be deleted. Have fun with the research, ask us questions when you have a clue what you're building.
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