RORC/IRC Notice on adjusting masts and forestays

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The RORC/IRC has clarified the IRC Rule 26.1.6: with IRC Notice 2008/01

Adjustment of Shrouds and Forestay while racing
Except in special and defined cases, a boat shall not adjust the forestay and/or shrouds while racing – see IRC Rule 26.1.6. This rule must also be read in conjunction with IRC Notice 2008/01

Adjusting the Mast Step and Mast Jack while racing
This again is crystal clear and explicit: moving the mast step fore or aft or adjusting mast jack pressure will change shroud tension. Therefore, unless permitted by either Rule 26.1.6 a) or b), neither is permitted. This rule must also be read in conjunction with IRC Notice 2008/01

The full Notice is here:
www.rorcrating.com/ir2000/irc/interpret/IRC-Notice-2008-01-shrouds.pdf,
http://www.rorc.org