Tank tests of flat and v-bottom planning surfaces

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Description

Four planing surfaces, all having beams of 16 inches and lengths of 60 inches but varying in dead rise by 10 degrees increments from 0 degrees to 30 degrees, were tested in the N.A.C.A. tank. The results cover a wide range of speed, loads, and trim angles, and are applicable to a variety of problems encountered in the design of seaplanes. The data are analyzed to determine the characteristics of each surface at the trim angle giving minimum resistance for all the speed and loads tested. A planing coefficient intended to facilitate the application of the results to design work ... continued below

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Shoemaker, James M November 1, 1934.

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Four planing surfaces, all having beams of 16 inches and lengths of 60 inches but varying in dead rise by 10 degrees increments from 0 degrees to 30 degrees, were tested in the N.A.C.A. tank. The results cover a wide range of speed, loads, and trim angles, and are applicable to a variety of problems encountered in the design of seaplanes. The data are analyzed to determine the characteristics of each surface at the trim angle giving minimum resistance for all the speed and loads tested. A planing coefficient intended to facilitate the application of the results to design work is developed and curves of resistance, wetted length, and center of pressure are plotted against this coefficient. Several examples, showing the application of the test data to specific design problems are included.

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  • : 93R10578
  • URL: http://hdl.handle.net/2060/19930081288 External Link
  • Report No.: NACA-TN-509
  • Center for AeroSpace Information Number: 19930081288
  • Archival Resource Key: ark:/67531/metadc54174

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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Creation Date

  • November 1, 1934

Added to The UNT Digital Library

  • Nov. 14, 2011, 7:18 p.m.

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  • Jan. 31, 2017, 2:20 p.m.

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Shoemaker, James M. Tank tests of flat and v-bottom planning surfaces, report, November 1, 1934; (digital.library.unt.edu/ark:/67531/metadc54174/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.