Reliable formulae for estimating airplane performance and the effects of changes in weight, wing area, or power (1924)
NASA Technical Reports Server (NTRS) · leaf 7
equation (12) reduces to (12a) which may bo solved by a single setting on a slide' rule. DERIVATION OF FORMULA FOR INITIAL RATE OF CLIMB. The maximum rate of climb at sea level will corre- spond to the greatest excess horsepower, or difference be- tween power available and power required. The power… … V=M.P.H. (2Vt + Vu) (15) IT Fig. 5.—Power curves for -§ — 10 lbJ&q*ft.
NASA Technical Reports Server (NTRS)
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