| History of suborbital spaceflight: medical and performance issues. | |
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MedLine Citation:
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PMID: 21485407 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The development of manned sub-orbital commercial space vehicles is rapidly occurring and flight testing followed by operational flights will soon begin. The experience of manned suborbital spaceflight at the designated altitude (100 km/62.14 mi) is very limited--two Mercury-Redstone flights, two X-15 flights, one inadvertent Soyuz launch abort, and three recent SpaceShipOne flights, with only 15 min of critical flight time each. All indications were that the sequence of acceleration-weightlessness-deceleration was well tolerated with minimal neurovestibular dysfunction. However, there are some indications that distraction and spatial disorientation did occur. Vertigo on transition from the boost phase to weightlessness was reported on most high-altitude X-15 flights. +Gz tolerance to re-entry deceleration forces (as high as 6 + Gz) after 4 min of weightlessness is still unknown. Only further suborbital spaceflight experience will clarify if pilot performance will be affected. |
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Authors:
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Mark R Campbell; Alejandro Garbino |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Aviation, space, and environmental medicine Volume: 82 ISSN: 0095-6562 ISO Abbreviation: Aviat Space Environ Med Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-04-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7501714 Medline TA: Aviat Space Environ Med Country: United States |
Other Details:
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Languages: eng Pagination: 469-74 Citation Subset: IM; S |
Affiliation:
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mcamp@1starnet.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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