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ZEPHYR built by Basin Boatcraft/Invader Marine (USA) and designed by Ed Thrall & Jack Freitag. Her first hull was built in 1949 with an overall lengh of 6.10 m or 20.00 ft long

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ZEPHYR Sailboat Specifications​


Overall Length (LOA) m / ft6.10 m / 20.00 ft
Builder(s)Basin Boatcraft/Invader Marine
Designer(s)Ed Thrall & Jack Freitag
CountryUnited States
Hull TypeFin with rudder on skeg
Number of Hulls Built100
First Hull Built1949
Rigging TypeFractional Sloop


Overall Length (LOA) 6.10 m / 20.00 ft
Waterline Length (LWL)5.64 m / 18.50 ft
Beam (width)1.25 m / 4.10 ft
Draft0.76 m / 2.50 ft
Light Displacement (MLC) 329 kg / 725 lb
Maximum Displacement329 kg / 725 lb


Capsize Screening Formula (CSF)1.83
Comfort Ratio9.01
Displacement-Length Ratio (DLR)51.12
Sail Area to Displacement22.84

Above Deck

Reported Sail Area10.68 m² / 115.00 ft²
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