Loads Produced by a Suited Subject Performing Tool Tasks Without the Use of Foot Restraints PDF Download
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Author: Sudhakar L. Rajulu
Publisher:
ISBN:
Category : Extravehicular activity (Manned space flight)
Languages : en
Pages : 46
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Book Description
Author: Sudhakar L. Rajulu
Publisher:
ISBN:
Category : Extravehicular activity (Manned space flight)
Languages : en
Pages : 46
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1020
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 716
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Book Description
Author: Jeffrey Poliner
Publisher:
ISBN:
Category : Muscle strength
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1686
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722343552
Category :
Languages : en
Pages : 42
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Book Description
With an increase in the frequency of extravehicular activities (EVA's) aboard the Space Shuttle, NASA is interested in determining the capabilities of suited astronauts while performing manual tasks during an EVA, in particular the situations in which portable foot restraints are not used to stabilize the astronauts. Efforts were made to document the forces that are transmitted to spacecraft while pushing and pulling an object as well as while operating a standard wrench and an automatic power tool. The six subjects studied aboard the KC-135 reduced gravity aircraft were asked to exert a maximum torque and to maintain a constant level of torque with a wrench, to push and pull an EVA handrail, and to operate a Hubble Space Telescope (HST) power tool. The results give an estimate of the forces and moments that an operator will transmit to the handrail as well as to the supporting structure. In general, it was more effective to use the tool inwardly toward the body rather than away from the body. There were no differences in terms of strength capabilities between right and left hands. The power tool was difficult to use. It is suggested that ergonomic redesigning of the power tool may increase the efficiency of power tool use. Rajulu, Sudhakar L. and Poliner, Jeffrey and Klute, Glenn K. Johnson Space Center NAS9-17900...
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 576
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Book Description
Author: Jeffrey Poliner
Publisher:
ISBN:
Category : Muscle strength
Languages : en
Pages : 32
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Book Description
Author: Otto F. Trout
Publisher:
ISBN:
Category : Simulation
Languages : en
Pages : 100
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Book Description
Weightlessness simulation of Gemini extravehicular tasks using neutral-buoyancy underwater techniques.
