A general tank test of a model of the hull of the P3M-1 flying boat including a special working chart for the determination of hull performance

Dawson, John R
naca-tn-681
December 1938


The results of a general tank test of a 1/6 full-size model of the hull of the Pem-1 flying boat (N.A.C.A. model 18) are given in non-dimensional form. In addition to the usual curves, the results are presented in a new form that makes it possible to apply them more conveniently than in the forms previously used. The resistance was compared with that of N.A.C.A. models 11-C and 26(Sikorsky S-40) and was found to be generally less than the resistance of either.

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http://naca.central.cranfield.ac.uk/reports/1938/naca-tn-681.pdf