"It's our opinion that the keels were under-engineered for the torsional loads they were under,"
2.
Self holding tapers rely on a heavy preponderance of axial load over torsional load to transmit high torques.
3.
This doesn't even take into account the punishing hydrodynamic torsional loads on the hulls at 35-plus knots, according to MacDonald.
4.
This airfoil section was chosen because it has zero pitching moment, which thus allows moderate torsional loads despite the resulting glider's relatively large wing area of.
5.
Buell Motorcycle Company introduced a rim-mounted " zero torsional load " disc brake that was claimed to reduce unsprung weight in the wheel-brake system, including lighter wheel spokes that carried no braking load.
6.
In high speed flight the nose down trim was provided mainly by the inner elevon section moving downwards, the outer flap deflecting only slightly; this had the advantage of relieving the tips of torsional loads at high speed.
7.
Additionally, the metallurgical analysis found that alloying impurities were present such as non-metallic inclusions in the alloy of the shaft, in addition to the incorrectly performed heat treatment process, which further reduced the shaft's ability to carry the torsional loads as designed.
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