In 1986, WoodenBoat introduced the Haven 12½-footer, designer Joel White’s centerboard version of the Herreshoff 12½. These boats were so successful and the design so well received that Joel was persuaded to design a similar centerboard conversion of the Fish class boat which he named Flatfish.
20′3″ Flatfish Class Sloop
DESCRIPTION
Hull type: Round-bottomed, keel/centerboard
Rig: Gaff or marconi sloop
Construction: Carvel planed over steam-bent frames
PERFORMANCE
Suitable for somewhat protected waters
Intended capacity: 1-5 daysailing
Trailerable: Yes
Propulsion: Sail
BUILDING DATA
Skill needed: Advanced
Lofting required: Yes
PLANS DATA
No. of sheets: 6
Level of Detail: Average
Plans Format: Print or Digital
Cost per set: $150
Plan No. 129
Related Publications:
Boat Design Quarterly, Vol. 14
How to Build the Haven 12 ½, by Maynard Bray
Particulars
LOA: 20′3″
LWL: 16′1″
Beam: 7′6″
Draft: (db up) 2″2″
(db down) 4′3″
Displacement: 3094 lbs
Sail area: Gaff 268 sq ft
Marconi 266 sq ft