Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 205
) 35,000 Stress on weld between arm and torque tube Minimum area of weld = ttX 1.125X2X-049 = .346 sq. in. 5160Total stress on weld = = 9160 lbs. 9160 fa = 346 .562526,500 lbs. per sq. in. This is a dangerously high stress on a welded section due to the un-certainty of the quality of the weld. 132.… … 3ect/oa/ X~XFig. 112. Bell Crank Lever Stress on weld between lever and torque tube. Minimum area of weld = irX 1.375X2X-049 = .423 in. Moment = 5160/2 = 2580 lbs. 2580 Total stress = = 3750 lbs. .688 3750 fs = = 8880 lbs. per sq. in. (satisfactory) .423 Stress on section X—X., Fig. 112. It will be…
Airplanes
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