Pomilio, Ottorino · New York, McGraw-Hill · leaf 84
he density /x with respect to the groundlevel, is greater than the value given by the above formula.In the following discussion, which is primarily qualitative innature, we will not take into account this decrease in tem-perature, in order not to complicate the treatment of thesubject. With this… … q.70o 0.500 0.100 5000 lOOOO 15O0O 20000 25000 H .n FeetFiG. 59. mass of oxygen burned in one unit of time, or to the densityof the air. Therefore P = ^ilf^eo = ^xFoX- (1) Wo where Po = oioMo = power at sea level. It is obvious then, that as the machine climbs, the power ofthe engine decreases. 70…
Airplanes
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