Seawind 1000 catamaran

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Since a catamaran does not heel to any discernable angle, a Monitor windvane can be fitted offset on one hull. There may be some degradation of sensitivity on a close reach with the wind on the opposite side from the Monitor IF the deckhouse is big enough to interfere with windflow.

Images of Monitor: 3

Seawind 1000 catamaran
Monitor
"Osprey" - Florida