Structural Testing Of Homebuilt Aircraft
case it may bend, experiencing a glass rod stretches almost twice as
However, since there is no pro- strong permanent set, but not quite much under the same tensile stress
nounced yield point, elasticity exists fall apart. In 2024-T3 aluminum, the as aluminum does. Have you ever
approximately all the way up to the ratio between the ultimate tensile watched those fiberglass sailplanes
breaking point. And it is this special strength and the yield strength is as they pull up, just before returning
property of composites that has approximately 1.5 (64,000/42,000 = to land? Their 50 ft. wings often bend
some interesting consequences 1.5). In spruce it is 1.8 in tension up almost 10 feet! Of course, we like
when structurally testing our aircraft. and about 1
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