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Airplane design and construction (1919)
Pomilio, Ottorino · New York, McGraw-Hill · leaf 308
Table 34 Front vertical truss Rear vertical truss Normal position Inverted position Normal 1 position Inverted position Member 1 Tension Com-pression Tension Com-pression ! Tension 1 1 Com-pression Tension Com-pression A-B 6120 130 4710 120 B-E 1400 .... 2800 1290 2580 F-C 5200 620 4780 570 A-C… … Table 35 Member Stresscoef.lO Number of cables used Diameter of cable, in. Ultimate strength of cable, lb. Totalultimatestrength. Coef. ofsafety £ A-C -f6380 2 He 4200 8400 13.1 I B-D -f2800 1 H 2000 2000 7.1 ■g B-E -h4700 1 %2 2800 2800 5.9 £ C-F +9200 1 %2 5600 5600 6.1 g A-C +5870 2 Ke 4200 8400…Airplanes
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