Feb 25, 2015

A-Class: 2015 Measurement Guidelines by Graeme Harbour

Graeme is current IACA Technical Committee Chair. Based on the Class Rules, Rules Guidelines and his experience as measurer at 2014 Worlds @Takapuna and recent Australian Nats. Doubts on new developments and how they measure? Check Graeme's guide.
Excerpt below, please read full text at IACA Website: http://www.a-cat.org/?q=node/527
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Letter to NAs & Local Measurers by Graeme Harbour:
The purpose of this email is to try and bring everyone up to date on any measurement issues and to make sure we all adopt a common approach to undertaking boat measurement on new equipment and equipment inspection at championships.
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*Boat length & width, this is hull and rudder gudgeons only, other fittings attached to hulls such as foot straps, inspection ports, external transom reinforcement etc. must fit within measurements. ISAF has confirmed this.
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*Dagger boards after exiting bottom of hull must not go outside 2.3m rule or inside .75m from centerline rule in all positions until fully down.
I found a number of new boats at our Australian Championships that had the tips of “J” & “Z” boards outside 2.3 m just after exiting the bottom of hull. There is a diagram covering this aspect in Measurers’ Guidelines.
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* Rudder winglets, again must fit the 2.3 & .75m rules. We found a number of boats in New Zealand outside 2.3 m and skippers were busy cutting wing tips off...
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* Cassette type dagger board cases. Unlikely to be seen but keep in mind that cassette does not need to be fully engaged in hull for 2.3m & .75m measurements to be taken...
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Read Full guidelines text at http://www.a-cat.org/?q=node/527

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