United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 134
FIG. 5.—TWISTING AND CUPPING OF PLYWOOD. (a) Twisting resulting from a construction with grain of faces at 45 witn grain of core. (6) Cupping which results from unsymmetrical construction in plywood. … Panel No. 1Panel No. 2Panel No. 3plies atPanel No. 4.Panel No. 5.Panel No. 6. 112 90 FIG. 6.-FAULTY PLYWOOD CONSTRUCTION CAUSING WARPING Two-ply, ,^ maple veneer, grain of one ply at 90° to grain of other.Four-ply, -^ maple veneer, grain of successive plies at 90°Three-ply, -^ maple veneer on one…
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
