[New York, N.Y. : The Aerial Age Company, Inc.] · leaf 528
n in Table IV and ‘Fig. 6. Secondary conditions gave’ the ‘following values; for V — 100 ft./sec., and n = 25 rev./ vi pee eer SeC., LFFICIENCY (FEPCENT) Bae Pa 350 Qc, = .00827 IGS IE. == A Eff. == 58% Tc, = 075 Formulas (8) then gave for the con- stants a, b, c, and d in the equations of the… … by means of the conventional blade element method, as developed funda- mentally by Drzewiecki, Riach, Bothe- zat, and others, the theory will never be exact so long as uncorrected aero- Station | 1 2 3 4 5 foil characteristics, as determined in the wind tunnel, are applied in practise. 133" 2.00’…
Aeronautics -- Periodicals
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