⛵ Sailboat

OFFSHORE 31 (CHEOY LEE)

Masthead Sloop • Long Keel • Built 1968

photo drawing

Dimensions

LOA
31 ft
LWL
23.33 ft
Beam
8.75 ft
Max Draft
3.67 ft
Displacement
10,700 lbs
Ballast
3,800 lbs

Performance Ratios

Capsize Ratio ⓘ
1.59 (offshore safe)
SA/D Ratio ⓘ
13.3
D/L Ratio ⓘ
376
Ballast Ratio ⓘ
35.5%

Sail Plan

Sail Area
403 sq ft
I
33 ft
J
12.16 ft
P
30 ft
E
13.5 ft

Construction

Hull Type
Long Keel
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
Iron

Production

First Built
1968
Last Built
—
Number Built
150
Notes:

It is thought that the OFFSHORE 31 is based on the BERMUDA 30 (in turn based on the HERRESOFF 28) with an extended counter and inboard rudder. Available as a sloop, sloop w/bowsprit or ketch.

Dimensions for ketch rig:

I: 31.50'/9.60m

J: 9.50'/2.90m

P: 27.50'/8.38m

E: 13.08'/ 3.99m

PY: 18.00'/5.49m

EY: 8.75'/2.67m

Tot. SA: 408.23 ft2/37.92m2

Dimensions for sloop w/bowsprit:

I: 33.00'/10.06m

J: 14.40'/4.39m

P: 30.00'/9.14m

E: 13.50'/4.11m

Tot. SA: 440.10 ft2/40.89m2

Dimensions (not rig) from orig. brochure. Dimensions and especially displacement reported by others vary.

Designer

Builder

Class Association