Headboard & Rivets Aluminum 4-1/2" x 5-3/4" x 1/16"

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SKU: 27307



Headboard & Rivets are placed at the head of mainsails and provide support for additional roach area and a purchase point for the halyard. Most sails are built with external boards. There are two boards that sandwich the cloth on each side of the sail and are riveted in place. Seldom is the rope run around the board. Note that this makes possible the insertion of the rope in a tunnel along the mast or boom.

Small boats can make good use of nylon external boards because they are light and inexpensive. Boats over 20 feet should use aluminum boards. These aluminum boards should be fastened in place with soft aluminum rivets. These can be installed with a couple of blows of a hammer. Each headboard set includes proper rivets.

Most racing rules measure only the width of the board, not the boltrope in front of it. In the case of the IMS rule, this is limited to 4% of the E dimension or 6 inches - whichever is greater. MORC permits the same percentage with 4.5 inches minimum headboard width. These limits can be exceeded, but there is a rating penalty.

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