Wind tunnel investigation on hulls with approximately same hydrodynamic performance with respect to spray and resistance characteristics regardless of length-beam ratio; results indicate reduction in minimum drag coefficient of 0.0022 (25%) with fixed transition when length-beam ratio was extended from 6 to 15; incorporating hull step fairing resulted in reduction to 16% in minimum drag.
Effect of length-beam ratio on aerodynamic characteristics of flying-boat hulls
National Advisory Committee Aeronautics -- Technical Note
1947
16 pages
Supplementary Plates
Report
Englisch
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Engineering Index Backfile | 1948
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