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Old 06-07-2013, 13:53   #1
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Join Date: Apr 2008
Location: Traverse City, Mi, US
Boat: Wharram Tangaroa 36ft
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Wire and pin sizing

Is sail area the determining factor in sizing stays, chainplates and pins? This is the first boat where I need to start from scratch. Windward sail area 410sqft. 36ft catamaran with 16 ft beam.
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Old 06-07-2013, 18:16   #2
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Join Date: May 2010
Location: near San Jose, CA
Boat: Yankee Dolphin 24'
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Re: Wire and pin sizing

Stability (righting moment) and stiffness are the primary inputs when sizing rigging. Catamarans tend to have both high righting moment, and high stiffness, requiring large/strong rigging. There are many other factors. See any recent-ish book on yacht design (recent enough to have multihuls).
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