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You're plenty smart. I'll explain it better. A 600 cc engine turning at 5000 rpm will pump as much air/fuel mixture as a 300cc engine turning at 10,000 rpm. An engine with a compression ratio of 8:1 is less efficient than an engine with a 12:1 compression ratio.
bschloop, Did you build a velomobiles with the thought of selling them? If so check out velosRus.com aka Carolina on recumbents.com as he is making velomobiles uni-bodies.
Last edited by Grant-53; 06-14-2017 at 10:05 PM..
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