Item Details

Landing Characteristics of a Reentry Capsule With a Torus-Shaped Air Bag for Load Alleviation

by John R. McGehee and Melvin E. Hathaway
Format
Book; Government Document; Online; EBook
Published
Washington, D.C. : National Aeronautics and Space Administration, 1960.
Language
English
Series
NASA Technical Note
Abstract
An experimental investigation has been made to determine the landing characteristics of a conical-shaped reentry capsule by using torus-shaped air bags for impact alleviation. An impact bag was attached below the large end of the capsule to absorb initial impact loads and a second bag was attached around the canister to absorb loads resulting from impact on the canister when the capsule overturned. A 1/6-scale dynamic model of the configuration was tested for nominal flight paths of 60⁰ and 90⁰ (vertical), a range of contact attitudes from -25⁰ to 30⁰, and a vertical contact velocity of 12.25 feet per second. Accelerations were measured along the X-axis (roll) and Z-axis (yaw) by accelerometers rigidly installed at the center of gravity of the model. Actual flight paths, contact attitudes, and motions were determined from high-speed motion pictures. Landings were made on concrete and on water.
Description
30 leaves : ill. ; 28 cm.
Mode of access: Internet.
Notes
  • "November 1960"--Cover.
  • "N62 712 02"--Cover.
  • "Technical Note D-628"--P. 1.
  • "National Aeronautics and Space Administration"--P. 1.
  • Caption title.
  • This work is part of the library's "Parachute History Collection", donated by the Airdrop/Aerial Delivery Directorate, Natick Soldier Center, US Army Research Development & Engineering Command, through the American Institute of Aeronautics and Astronautics Aerodynamic Deceleration Systems Technical Committee.
  • Includes bibliographical references.
Reproduction Notes
Photocopy. Springfield, Va. : National Technical Information Service, U.S. Department of Commerce.
Series Statement
NASA technical note ; D-628
Logo for No Copyright - United StatesNo Copyright - United States
Technical Details

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    a| Landing characteristics of a reentry capsule with a torus-shaped air bag for load alleviation / c| by John R. McGehee and Melvin E. Hathaway.
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    a| "November 1960"--Cover.
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    a| "N62 712 02"--Cover.
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    a| "Technical Note D-628"--P. 1.
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    a| "National Aeronautics and Space Administration"--P. 1.
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    a| Caption title.
    500
      
      
    a| This work is part of the library's "Parachute History Collection", donated by the Airdrop/Aerial Delivery Directorate, Natick Soldier Center, US Army Research Development & Engineering Command, through the American Institute of Aeronautics and Astronautics Aerodynamic Deceleration Systems Technical Committee.
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    a| Includes bibliographical references.
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    a| An experimental investigation has been made to determine the landing characteristics of a conical-shaped reentry capsule by using torus-shaped air bags for impact alleviation. An impact bag was attached below the large end of the capsule to absorb initial impact loads and a second bag was attached around the canister to absorb loads resulting from impact on the canister when the capsule overturned. A 1/6-scale dynamic model of the configuration was tested for nominal flight paths of 60⁰ and 90⁰ (vertical), a range of contact attitudes from -25⁰ to 30⁰, and a vertical contact velocity of 12.25 feet per second. Accelerations were measured along the X-axis (roll) and Z-axis (yaw) by accelerometers rigidly installed at the center of gravity of the model. Actual flight paths, contact attitudes, and motions were determined from high-speed motion pictures. Landings were made on concrete and on water.
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    a| Photocopy. b| Springfield, Va. : c| National Technical Information Service, U.S. Department of Commerce.
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    a| Mode of access: Internet.
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    a| Space vehicles x| Models x| Atmospheric entry x| Impact testing.
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    a| Hathaway, Melvin E.
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    a| United States. b| National Aeronautics and Space Administration.
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