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Frac. Sloop (Rotating Spar) · Catamaran Twin Dbrd. · 1970–present
The ALPHA CAT 18 was designed by catamaran designer Tom Roland but appears to have been built in limited numbers.
The record
The complete reference set — tap any figure to switch between metric and imperial.
The family
Nearby designs by size, type, and era — worth a look alongside her.