Charts for graphical estimation of airplane performance (1925)
NASA Technical Reports Server (NTRS) · leaf 11
feet, t is constant. Therefore, below 36,000 feet T°C= 288 - 0.0065 Z meters (14) T°F= 518.6 - 0.003567 Z ft.- Figures 17 and 18 give the variation of p/pa and p/pQ with Z while Figure 19 gives against Z. .80 1.00 0.90. ^■70 -K fi 1.60 0.80; e° 0.70 a t .0 40 O.BO.o I ■ft 0.50& 30 .20 0 4000 8000… … 18000 22000 14000. , toooo O 4000 8000 12000 16000 20000 Altitude 2 in feef. Curve B Altitude in feet. Curve A 28000 32000 S0000Alf,t^ 20000 24000 28000 32000 36000 40000 in feet. Curve C Altitude in feet. Curve B Fig. 18—Variation of density with altitude. Standard atmosphere. of.^/— with…
NASA Technical Reports Server (NTRS)
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