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A complete tank test of a flying-boat hull with a pointed step -N.A.C.A. Model No. 22The results of a complete tank test of a model of a flying-boat hull of unconventional form, having a deep pointed step, are presented in this note. The advantage of the pointed-step type over the usual forms of flying-boat hulls with respect to resistance at high speeds is pointed out. A take-off example using the data from these tests is worked out, and the results are compared with those of an example in which the test data for a hull of the type in general use in the United States are applied to a flying boat having the same design specifications. A definite saving in take-off run is shown by the pointed-step type.
Document ID
19930081430
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Shoemaker, James M
Date Acquired
September 6, 2013
Publication Date
February 1, 1934
Report/Patent Number
NACA-TN-488
Accession Number
93R10720
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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