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#8
August 28th 04, 04:22 AM
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Comments;
1. One of the major improvements on the P47 (D25 on, I believe) was the paddle blade prop. made a marked differnce in climb and accleration and some in top speed. 2. The P51 from the start used energy revovery - engine heat 'energized' the cooling air which was efficiently exhausted from the ventral radiator and thus recovery thrust just about canceled radiator drag. About a year ago 'Air&Space' mag had an article by one of the designers on this subject. Odd not many other designers (Republic Rainbow - F12; Convair 240/440/T29) went this route. Walt BJ 
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