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percussion cap ignition?

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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Unread postAuthor: D_Hall » Fri Nov 02, 2012 10:10 pm

POLAND_SPUD wrote:if you have an IC engine on a tank you might as well put an air compressor there :-)

If you have a multi-cylinder IC, you can (with the addition of a new cam, new intake, and new exhaust manifold) turn one cylinder of the engine into an air compressor. My understanding is that this is how some industrial compressors work.... Start with a V-8, turn it into an inline 4 married to a 4 cylinder compressor.
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Unread postAuthor: POLAND_SPUD » Sat Nov 03, 2012 2:43 am

turn one cylinder of the engine into an air compressor.
heh good one - at least you'd improve efficiency of the air compressor as heat from the engine would warm up the air :wink:

EDIT
nahh wait it would the other way round - efficiency would drop due to heat from the engine - colder air = more air per piston stroke
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