Aircraft woods: their properties, selection, and characteristics (1931)
NASA Technical Reports Server (NTRS) · leaf 9
. Endwise compression tests directly related to wood procurement, inspection, and on green material gave the results of Table III, which use that are not ordinarily included in a specification show that mastic had nine times the average specific TABLE II.—Results of specific gravity determinations… … 1 Based on weight of wood when oven dry (moisture free) and volume when green. ' Average speeffle gravity equals 0.364; highest observed specific gravity 0.028; lowest 0.2S6. proper, but which will be discussed later as contributing gravity of balsa, and was also nine times as high in information…
NASA Technical Reports Server (NTRS)
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