Pomilio, Ottorino · New York, McGraw-Hill · leaf 327
ing method. The value of coefficient K is dependent on end conditionsand is = 10 for hinged ends = 24 for one hinged, one fixed = 32 for both ends fixed In Table 43 all the values of the quantities necessaryfor calculating the factor of safety by the Johnsons formulamethod have been collected. We… … Table 42 PT -*■ f. = IT/A, K s: lb. persq. in. 0 5.70 0 - 5120 2.34 2190 - 3685}5. 56 645 - 3020 2.34 1290 E, lb.per sq. in. Upper front spar ] C D 0 0 -5120| 0 -5120}+1435-5780+2850 1.78X10« 4.02 2.02 20060 1.78X10 2.831.841.78X10 |3.06}2.001.78X10 2.83 1.84 650017200 [1210 Upper rearspar . 0 0…
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