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props: tractor v pusher, q tip, ducted?



 
 
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Old August 8th 07, 12:49 AM posted to rec.aviation.piloting
Charles Talleyrand
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Default props: tractor v pusher, q tip, ducted?

On Aug 7, 7:34 am, Bertie the Bunyip wrote:


The drag is induced by the cooling itself.


How can the drag be induced by the cooling itself? If I understand
you, the same cowling with the same air flow shows significantly
different drag depending on whether the engine inside is hot or cold.

I honestly don't understand that.





 




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