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Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)

Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 227

An illustration from Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study, 1918, leaf 227
against moisture.There is absolutely no means of nailing or keying againsta slipping tendency or horizontal shear. The best ar-rangement to insure against slipping of the two halves isto tape around the outside as shown by spar (E). Thisis strong linen tape and is glued carefully to the spar,and… … G FED Fig. 10. Four Types of Wing Spars, the Spar D Being a Simple Steel Tubeas Used in the Caudron and Breguet Machines. Spar (C) consists of a central ash I section, with steelstrips in the grooves. Two spruce side strips are placedat either side as stiffeners against lateral flexure, and…

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