Pomilio, Ottorino · New York, McGraw-Hill · leaf 54
nt endof the fuselage contour, its lines gradually easing off tomeet those of the fuselage (Fig, 39). To improve the stern of the fuselage it must be given astrong ratio of elongation, and the shaping with the rest ofthe machine must be smoothly accomplished. A specialadvantage is offered by the… … Fig. 40 The value of coefficient K varies from 7 (for the usualtypes of fuselage) to 2.8 (for perfect dirigible shapes). Itis interesting to compare such values with the coefficientof head resistance of a flat disc 1 sq. ft. in area, which isequal to 30. To move the above disc at a speed of…
Airplanes
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