Figs# 1,2 N*A#C#A* Technical Memorandum No. 739 … Figure Planing number € versus a for flat planing surfaces towed according to Froude law* Planmg I b — 0.600 m 1 Boundary layer turbulent. b = 0.300 m M laminar. b = 0,225 ni + 111 " turbulent Wfth b = 0,150 m X b = 0,120 m laminar approach. b = 0,075 m I Figure 2.- Coefficient of friction versus…
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