Masthead Sloop
• Fin w/spade rudder
• Built 1979–1985
Dimensions
LOA
29.96 ft
LWL
25.42 ft
Beam
10.33 ft
Max Draft
4.58 ft
Displacement
6,620 lbs
Ballast
2,755 lbs
Performance Ratios
Capsize Ratio ⓘ
2.20
(use caution offshore)
SA/D Ratio ⓘ
17.7
D/L Ratio ⓘ
180
Ballast Ratio ⓘ
41.6%
Sail Plan
Sail Area
389 sq ft
I
38 ft
J
11.9 ft
P
32.5 ft
E
10 ft
Construction
Hull Type
Fin w/spade rudder
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
Iron or Lead
Production
First Built
1979
Last Built
1985
Number Built
580
Engine & Accommodations
Engine Make
Renault
Engine Model
Couach
Engine Type
Diesel
Water
24 gal
Fuel
7 gal
Notes: Based on a successful IOR 1/2 ton design, a number of different versions of the RUSH 31 were available besides the basic model with various performance enhancements:\nThe GTE, REGATTA which had a lead keel, and the ROYAL. (The RUSH ROYAL STD was a selection for the 'Tour de France à la voile' 1982-1983.)\nIn the US a boat based on this hull design was built under licence as the CAL 9.2.