Engine performance and the determination of absolute ceiling (1924)
NASA Technical Reports Server (NTRS) · leaf 8
hile not necessarDy true, according to the values of EP^ and HP^ from Tables VII and YTLl^ appears to be justified by the results of free flight tests. An explanation may be foimd in the change of angle of attack, previously mentioned. That is, the excess power used in climb is not the difference… … 4J) 5JQ HPao Fig. 3.—Absolute ceiling as determined by ^^5^. FiO- 4,—Absolute ceiling as determined by Case I: ^^{^'''^ Case II; jy constant. such that EPj. is increasing slowly over a considerable range of speed while the HP^ is in- creasing rapidly—^in comparison. The maximum value of EPao/EPra…
NASA Technical Reports Server (NTRS)
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