Wing spar stress charts and wing truss proportions (1926)
NASA Technical Reports Server (NTRS) · leaf 17
he total weight, it is possible to simplify further to the form (&)*Ki('fH'g), ■ 0,780,000 * =nr~ ir OvLt Values of the product K x x -gf based on the assumption that the best strut location is used in every case and that the front and rear spars are of the same depth, have been calculated G L and… … eighth to one-twentieth of the distance between the. wings the increase of weight will be 45 per cent. To illustrate the use of the weight formula, it may be applied to the case of a pur- suit airplane with a span of 30 feet, a gap' of 5 feet, a spar depth of 3.5 inches, and designed for a load…
NASA Technical Reports Server (NTRS)
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