Tests of a Wing-Nacelle-Propeller Combination at Several Pitch Settings Up to 42 Degrees

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Description

This report presents the results of tests of a 4-foot model of Navy propeller No. 4412 in conjunction with an NACA cowled nacelle mounted ahead of a thick wing in the 20-foot propeller-research tunnel. A range of propeller pitches from 17 degrees to 42 degrees at 0.75r was covered, and for this propeller the efficiency reached a maximum at a pitch setting of 27 degrees; at high pitches the efficiencies were slightly lower. The corrected propulsive efficiency is shown to be independent of the angle of attack for the high-speed and the climbing ranges of flight.

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381-388 p. : ill.

Creation Information

Windler, Ray November 12, 1935.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 72 times. More information about this report can be viewed below.

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  • Main Title: Tests of a Wing-Nacelle-Propeller Combination at Several Pitch Settings Up to 42 Degrees
  • Series Title: NACA Technical Reports

Description

This report presents the results of tests of a 4-foot model of Navy propeller No. 4412 in conjunction with an NACA cowled nacelle mounted ahead of a thick wing in the 20-foot propeller-research tunnel. A range of propeller pitches from 17 degrees to 42 degrees at 0.75r was covered, and for this propeller the efficiency reached a maximum at a pitch setting of 27 degrees; at high pitches the efficiencies were slightly lower. The corrected propulsive efficiency is shown to be independent of the angle of attack for the high-speed and the climbing ranges of flight.

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381-388 p. : ill.

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  • Accession or Local Control No: 93R20929
  • URL: http://hdl.handle.net/2060/19930091639 External Link
  • Report No.: NACA-TR-564
  • Center for AeroSpace Information Number: 19930091639
  • Archival Resource Key: ark:/67531/metadc66222

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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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The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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Creation Date

  • November 12, 1935

Added to The UNT Digital Library

  • Nov. 17, 2011, 10:13 p.m.

Description Last Updated

  • Sept. 25, 2018, 3:41 p.m.

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Windler, Ray. Tests of a Wing-Nacelle-Propeller Combination at Several Pitch Settings Up to 42 Degrees, report, November 12, 1935; (https://digital.library.unt.edu/ark:/67531/metadc66222/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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