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Old 03-04-2013, 05:55 AM
JtD JtD is offline
Il-2 enthusiast & Moderator
 
Join Date: Oct 2007
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In addition to what Treetop said, the oil cooling could be adjusted by changing the width of a gap in the oil cooling ring. This could only be done by the ground crew. The wider the gap, the better the cooling, but the slower the plane. A wide gap for instance for desert conditions cost about 20 km/h.
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