A Brief Study of the Speed Reduction of Overtaking Airplanes by Means of Air Brakes

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Description

"As an aid to airplane designers interested in providing pursuit airplanes with decelerating devices intended to increase the firing time when overtaking another airplane, formulas are given relating the pertinent distances and speeds in horizontal flight to the drag increase required. Charts are given for a representative parasite-drag coefficient from which the drag increase, the time gained, and the closing distance may be found. The charts are made up for three values of the ratio of the final speed of the pursuing airplane to the speed of the pursued airplane and for several values of the ratio of the speed … continued below

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[19] p. : ill.

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Pearson, H. A. & Anderson, R. F. May 1942.

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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 173 times. More information about this report can be viewed below.

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"As an aid to airplane designers interested in providing pursuit airplanes with decelerating devices intended to increase the firing time when overtaking another airplane, formulas are given relating the pertinent distances and speeds in horizontal flight to the drag increase required. Charts are given for a representative parasite-drag coefficient from which the drag increase, the time gained, and the closing distance may be found. The charts are made up for three values of the ratio of the final speed of the pursuing airplane to the speed of the pursued airplane and for several values of the ratio of the speed of the pursued airplane to the initial speed of the pursuing airplane" (p. 1).

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[19] p. : ill.

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  • URL: http://hdl.handle.net/2060/20090016320 External Link
  • Report No.: NACA-ACR
  • Report No.: NACA-SR-220
  • Center for AeroSpace Information Number: 20090016320
  • Archival Resource Key: ark:/67531/metadc65165

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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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  • May 1942

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  • Nov. 17, 2011, 5:13 p.m.

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  • Jan. 4, 2019, 2:19 p.m.

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Pearson, H. A. & Anderson, R. F. A Brief Study of the Speed Reduction of Overtaking Airplanes by Means of Air Brakes, report, May 1942; (https://digital.library.unt.edu/ark:/67531/metadc65165/: accessed May 12, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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