Item Details

Comparison of Acoustic Performance of Five Muffler Configurations on a Small Helicopter

by Robert J. Pegg and David A. Hilton
Format
Book; Government Document; Online; EBook
Published
Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1974.
Language
English
Series
NASA Technical Note
Description
35 p. : ill. ; 27 cm.
Mode of access: Internet.
Notes
  • Prepared at Langley Research Center.
  • Cover title.
  • Includes bibliographical references (p. 9).
Series Statement
NASA technical note ; NASA TN D-7495
Logo for No Copyright - United StatesNo Copyright - United States
Technical Details

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    a| Comparison of acoustic performance of five muffler configurations on a small helicopter / c| by Robert J. Pegg and David A. Hilton.
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    a| Washington, D.C. : b| National Aeronautics and Space Administration ; a| [Springfield, Va. : b| For sale by the National Technical Information Service], c| 1974.
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    a| 35 p. : b| ill. ; c| 27 cm.
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    a| Prepared at Langley Research Center.
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    a| Includes bibliographical references (p. 9).
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    a| Helicopters x| Noise.
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    a| Internal combustion engines x| Mufflers x| Testing.
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    a| Hilton, David A.
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    a| Langley Research Center.
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