Aircraft woods: their properties, selection, and characteristics (1931)
NASA Technical Reports Server (NTRS) · leaf 14
lope of grain steeper than 1 in 25 and do not cause a divergence of grain at the edges of in the outer quarters of the flanges. No pitch pockets the member greater than 1 in 20. "Where less severe are to be allowed in the outer quarters of the flanges. strength requirements permit cross grain… … * SLOPE OF GRAIN Laboratory, of the effect of pitch Figusi 8.—The effort of spiral and of diagonal train on fiber stress at elastic limit, modulus of rapture ,and modulus pockets and various other defects of elasticity In static bending tests of small, clear specimens of white ash strength…
NASA Technical Reports Server (NTRS)
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