Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 69
ire With center span of 30 in.— Bav 3-4 Hinged at joint 3 Aspect ratio 7.0 24/ 45/ 30 Biplane—Three Bay: With center span of 30 in.—Hinged at joint 4 Aspect ratio 9.0 20 40 25 15 Note:—The length of the cantilever in the above table is theactual cantilever length of the spars, not the loadedlength… … Fig. 29 35. Location of Spars—In the usual type of wing construction twospars are employed. They are generally located so as to receive about70 per cent of the total load on the wing either at high or at low incidenceflying conditions. Fig. 29 represents a wing section with two spars whoselocation…
Airplanes
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