Circular Letter – Boom
April 10, 2014
36. Boom shall be essentially straight, and shall not be tapered nor have lightening holes. The boom ends may be cutoff with a maximum angle of 45°. The height of the boom at either end may be reduced for access to blocks or boltrope.
Only one boom may be measured during a regatta unless irreparable damage has occurred.
It has been requested how much the boom height may be reduced. Having no specific measurement, the IRC decided as follows:
• The fore end of the boom slot may be reduced man 350mm from the front edge;
• The aft end of the boom slot may be reduced beginning from the aft side of the band.
The rest of the rule remains unchanged.
Chairman of the International Rules Committee
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