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Accession number;05A0025447
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| Title;Ratio of propelling force generated by a palm and by a forearm in freestyle swimming |
| Author;
ITO SHIN'ICHIRO
(Natl. Def. Acad.)
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Journal Title;Nihon Kikai Gakkai Supotsu Kogaku Shinpojiumu, Shinpojiumu Hyuman, Dainamikusu Koen Ronbunshu
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Journal Code:L1198A
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ISSN:
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VOL.2004;NO.;PAGE.122-124(2004)
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| Figure&Table&Reference;FIG.6, REF.6 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The propelling force in swimming is mainly generated by a hand, although the ratio of the propelling force is not certain whether from the hand or from the whole part of forearm. Replicas of a hand and an arm were produced from a same excellent swimmer. Those characteristic of lift-drag forces and propelling force ratio were taken out by wind tunnel tests based on angle of attack and sweepback angle (horizontal driving angle). As a result, it turned out that the propelling force of the whole arm was set about from 3 to 4 times larger than that of only a palm in the catch and the finish phase of S-shaped pull, and that it was about 1.8 times larger at the pull phase of S-shaped and drag pull swimming. (author abst.) |
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