Author Topic: q question  (Read 2910 times)

eerfes

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q question
« on: May 13, 2009, 12:31:29 PM »
is propelling an object more efficient with internal combustion or external combustion?? or does that rely on the power of the shockwave and the ability to absorb/contain it?

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q question
« on: May 13, 2009, 12:31:29 PM »