Charts for graphical estimation of airplane performance (1925)
NASA Technical Reports Server (NTRS) · leaf 7
1 172 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS. be 61.7 and the curve of HP!s,QlB.Pta versus Za as in Figure 7 which is taken from N. A. C. A. Technical Report No. 171. Combining Figure 7 and equation (8) we can plot Figure 8 giving the absolute ceiling directly in terms of the factors Vs… … 8000 16000 240O0 Ratio (PJPr)o, Scale C Absolute ceiling "Za — feet Fig. 8.—Absolute ceiling for conventional airplanes. Fig. 7.—Absolute ceiling as determined by the ratio at sea Note.—These curves are based on the equation level of Power available / P?\o, HPeo 61.7 (LID) Power required ~ \ Pr J…
NASA Technical Reports Server (NTRS)
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