The Strength of One-Piece Solid, Build-Up and Laminated Wood Airplane Wing Beams (1920)
NASA Technical Reports Server (NTRS) · leaf 12
CiiAPTSnOWMC RESULTSOr TESTS UnirWt^Wei<jhrof3earr.y lbs./Cu ft. Ea Modulus ofE/cxsficifyj Lbs./Sq. //?. SpcfSfgh. =5peeffic3frengfhH0*lf/iStr: +Unii Wf+tO OA/ Uif.Sfr =U/t/mofe Breaking Stress, Lbs./Sq in Moisture-Moisture Content % Dry Weigi.i. WOOD AIRPLANE W/Na'BEAMS P-Limit - Stress at Elastic… … J H £JF F WW EH.S I FmMMJFMMWMMMWM / Z 3 4 5 6 J 8 9 fO it i2 M B IS 761718191/01// 1/21 I2I/3I/4I/51161/7t/81/9 / c J * J o / a y iv // /c .if u n \SCSC3SCC L Spruce —3 \Spruce^~ Eir—Xspruce^- Eir—*Cypr\ V- ce±>-Eir—*Cypr\ \ Spruce \ \ Spruce *] Mr J U-7 t- Sofia4 Beams -I t- Three Piece Sotic/…
NASA Technical Reports Server (NTRS)
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