Gaffhead Sloop
• Long keel w/trans. hung rudder
• Built 1916–1930
Dimensions
LOA
20.75 ft
LWL
16 ft
Beam
7.12 ft
Max Draft
3.12 ft
Displacement
2,976 lbs
Ballast
1,400 lbs
Performance Ratios
Capsize Ratio ⓘ
1.98
(offshore safe)
SA/D Ratio ⓘ
21.0
D/L Ratio ⓘ
324
Ballast Ratio ⓘ
47.0%
Sail Plan
Sail Area
271 sq ft
Construction
Hull Type
Long keel w/trans. hung rudder
Rig Type
Gaffhead Sloop
Hull Material
Wood
Ballast Type
Lead
Production
First Built
1916
Last Built
1930
Number Built
48
Notes: Commissioned by Seawanhaka Corinthian YC, (Long Island, NY) for one-design racing and delivered beginning in 1916. More were built by Herreshoff until the late 1920's.\nOver the years, a number of reproductions have been built based on this original design. The drawing here shows the 'marconi' sloop version adopted in the 1930's.