I just move the rope vang over to the toe rail on my little boat, but there is a real simple method that I have seen used on larger boats that works well. It consists of a block attached as close as is practicable to the bow, and a line with a clip on the end led from the attachment point on the boom up through the block at the bow and back to a cleat in the cockpit or on the cabin top. The same line can be clipped (or tied if you would rather) on to the boom on either side without having to move the block if it is far enough forward. I spent several weeks on a 40 foot Valiant that was rigged that way and it worked good, it was simple, and there was no fuss getting it rigged. If you make the preventer good and tight it never gets much of a shock in the event of an unintended gybe. I would use plain old polyester. Nylon is liable to stretch after a while, and a loose preventer defeats the purpose.
Steve Thomas C&C27 MKIII Port Stanley, ON -----Original Message----- From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of Joel Aronson Sent: Friday, May 10, 2013 8:57 AM To: cnc-list@cnc-list.com Subject: Stus-List Gybe preventer The doctor who spoke at the Safety at Sea seminar said the #1 thing you can do to prevent injury is to rig a gybe preventer. My mainsheet sheets mid-boom. I know you need a rope with stretch to absorb shock. I was thinking of making a preventer as follows: Dyneema loop around the boom just aft of the mainsheet blocks. 3 strand nylon with snap shackles to attach to the loop and toe rail. Is that too simple? Should it run through a block to a cleat or clutch? -- Joel 35/3 Annapolis 301 541 8551
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