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02-27-2010, 09:51 PM

#29

TFF

Join Date: Oct 2006

Location: Memphis, TN

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RE: 3 Cyl 049 radial

United States Patent US6062176
http://www.rcmplans.com/issues/reque...121997-1-1.pdf
The pump in this design keeps the crankcase pressure up, so the crank pressure is not created by the pistons.

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