Masthead Sloop
• Fin with rudder on skeg
• Built 1973
Dimensions
LOA
37 ft
LWL
28.42 ft
Beam
11.92 ft
Max Draft
6.33 ft
Displacement
15,300 lbs
Ballast
6,283 lbs
Performance Ratios
Capsize Ratio ⓘ
1.92
(offshore safe)
SA/D Ratio ⓘ
16.4
D/L Ratio ⓘ
298
Ballast Ratio ⓘ
41.1%
Sail Plan
Sail Area
630 sq ft
I
48 ft
J
16 ft
P
42.5 ft
E
11.6 ft
Construction
Hull Type
Fin with rudder on skeg
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
Lead
Production
First Built
1973
Last Built
—
Number Built
—
Engine & Accommodations
Engine Make
Perkins
Engine Model
4-107
Power
50 hp
Engine Type
Diesel
Notes: Production version of 1973 IOR One Ton Cup winner, 'YDRA'. (1 ton was 27.5', IOR MkIII)\nThe production version has an extended wedge shaped coach roof and fitted out interior.\nThe photo and drawing of the production version, courtesy of Philippe Jacques ROUX.\nAt least one other Carter One ton design was introduced and went into production several years later from an American builder.\n(CARTER 36 OR TEXAS ONE TON?)