The Effect on Airplane Performance of the Factors That Must Be Considered in Applying Low-Drag Cowling to Radial Engines (1933)
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he front on a steel- Figure 7—The XF7C-1 airplane with cowling3-J tube mounting ring. Filler pieces make a fairing be- inches. Thus the chord of the cowling section is at a tween the straight sections regardless of the angle at negative angle of approximately 1K° with respect to which they may be… … Figure 8—The XF7C-1 airplane with cowling 3-JM be adjusted on the ground between -18.8° and -4.7°. tral plane of the cylinders. For the middle and rear This range did not cover the optimum position with positions tins distance was reduced to 6K and 3% fuselage 1, however, so for this fuselage the…
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