Charts for graphical estimation of airplane performance (1925)
NASA Technical Reports Server (NTRS) · leaf 10
175 CHARTS FOE GSAPHICAL ESTIMATION OP AIRPLANE PEEFORMANCE. RANGE. Breguet's formula for range i? = 862 |§log19(|) (12) where tj = propeller efficiency, e=specific fuel consumption, and TFj— W2=weight of fuel consumed, may be plotted in a convenient chart as in Figure 16. The equation for… … Fig. 16.—Maximum range for airplanes based on Breguet's formula, B.=SSl - log u {^w_WfjJ- Directions: Pass horizontally from effective fuel consumption to then vertically to then horizontally to range as shown by arrows on broken Hues. where I7 is the cruising velocity for the weight W. Note that…
NASA Technical Reports Server (NTRS)
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