oarlock

　

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1. (舟べりの)オール受け,かい座(《英》rowlock)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/06/25 03:02:24」(JST)

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A rowlock on a rowing boat

A rowlock used for the sport of rowing

A rowlock UK /ˈrɒlək/ or oarlock (US) is a brace that attaches an oar to a boat. When a boat is rowed, the rowlock acts as a fulcrum, and, in doing so, the propulsive force that the rower exerts on the water with the oar is transferred to the boat by the thrust force exerted on the rowlock.

On ordinary rowing craft, the rowlocks are attached to the gunwales. In the sport of rowing, the rowlocks are attached to outriggers (often just called "riggers"), which project from the boat and provide greater leverage. In sport rowing, the rowlocks are normally U-shaped and attached to a vertical pin which allows the rowlock to pivot around the pin during the rowing stroke. They additionally have a locking mechanism across the top of the "U" to prevent the oar from unintentionally popping out of the rowlock.

Originally rowlocks were two wooden posts or thole pins that the shaft of the oar nestled between.

Trivia

The Norwegian municipalities of Fosnes, Radøy and Tjøme have rowlocks in their coats-of-arms.

English Journal

• A mathematical model of the oar blade - water interaction in rowing.

• Caplan N1, Gardner T.
• Journal of sports sciences.J Sports Sci.2007 Jul;25(9):1025-34.
• Our aim was to present a mathematical model of rowing and sculling that allowed for a comparison of oar blade designs. The relative movement between the oar blades and water during the drive phase of the stroke was modelled, and the lift and drag forces generated by this complex interaction were det
• PMID 17497404

• A biomechanical review of factors affecting rowing performance.

• Baudouin A1, Hawkins D.
• British journal of sports medicine.Br J Sports Med.2002 Dec;36(6):396-402; discussion 402.
• This review analyses rowing by linking the biological and mechanical systems that comprise the rowing system. Blade force was found to be the only propulsive force to counter the drag forces, consisting of both air drag and hydrodynamic drag, acting on the system. Vertical oscillations of the shell
• PMID 12453833

• Mechanical efficiency in rowing.

• Fukunaga T, Matsuo A, Yamamoto K, Asami T.
• European journal of applied physiology and occupational physiology.Eur J Appl Physiol Occup Physiol.1986;55(5):471-5.
• Five university oarsmen participated in a determination of mechanical efficiency when rowing in a tank. In the tank, water was circulated at 3 m X s-1 by a motor driven pump. The subjects rowed with the stepwise incremental loading, in which the intensity increased by 10% of the maximum force of row
• PMID 3769903

Japanese Journal

• 漕運動の機械的パワーと競技記録

• 体育學研究 32(3), 199-205, 1987-12-01
• NAID 110001918593

Related Links

• oarlockの意味 - 英和辞書 - goo辞書

oarlockとは。意味や和訳。[名]((米))オール受け（((英))rowlock）. ⇒BOAT - goo辞書は国語、英和、和英、中国語、百科事典等からまとめて探せる辞書検索サービスです。 ... 辞書すべて 国語 類語 英和 和英 中日 日中 ※「説明文に ...

• Oarlock - Definition and More from the Free Merriam-Webster ...

Full Definition of OARLOCK: a usually U-shaped device for holding an oar in place See oarlock defined for English-language learners » See oarlock defined for kids » First Known Use of OARLOCK before 12th century Rhymes with OARLOCK

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