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Author Topic: Poulan 46cc Porting Plane conversion  (Read 3687 times)

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Offline aclarke

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Re: Poulan 46cc Porting Plane conversion
« Reply #20 on: August 11, 2014, 11:25:31 pm »
Joe makes a good point on the port velocity in regards to improving power at lower  rpm which would be advantageous for direct drive props and keeping the tips in an efficient subsonic range.  Bringing the power curve down in rpm won't necessarily require bigger ports...
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