Pomilio, Ottorino · New York, McGraw-Hill · leaf 96
of the machine for which the propeller is intended. However, even a partial study of them is very interesting for the results that can be attained. p V First, we see that for ^ = 1.18 and —^ = 0.32, the maximum efficiency p reaches a value of 82 per cent.Obviously that is very high, especially when… … 7x10-^ 6x10 5x10 3x10 J S Oaaaatmillllllll Il IIIIMIIIIIIIimimnmTTTTTTTTTTmiMM 0 014 0.16 0.18 0.20 0.22 0.24 0.26 0.2& Q30 032 V TtnD Fig. 71. parameters which it is impossible to vary. An examplewill illustrate this point. Let us assume that we have at our disposition an engine 82 AIRPLANE…
Airplanes
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