OFFSHORE 31 (CHEOY LEE)

OFFSHORE 31 (CHEOY LEE) photo OFFSHORE 31 (CHEOY LEE) drawing

Sailboat Specifications


Hull Type:
Long Keel
Rigging Type:
Masthead Sloop
LOA:
31.00 ft / 9.45 m
LWL:
23.33 ft / 7.11 m
S.A. (reported):
403.00 ft2 / 37.44 m2
Beam:
8.75 ft / 2.67 m
Draft (max):
3.67 ft / 1.12 m
Draft (min):
Displacement:
10,700 lb / 4,853 kg
Ballast:
3,800 lb / 1,724 kg
S.A./Disp.:
13.32
Bal./Disp.:
35.51
Disp./Len.:
376.18
Construction:
FG
Ballast Type:
Iron
First Built:
1968
Last Built:
# Built:
150
Builder:
Cheoy Lee Shipyard Ltd.(HK)
Designer:
Herreshoff/Cheoy Lee Shipyard
Website:

Sailboat Calculations

S.A./Disp.:
13.32
Bal./Disp.:
35.51
Disp./Len.:
376.18
Comfort Ratio:
35.88

Rig and Sail Particulars

I:
33.00 ft / 10.06 m
J:
12.16 ft / 3.71 m
P:
30.00 ft / 9.14 m
E:
13.50 ft / 4.11 m
SPL/TPS:
ISP:
S.A. Fore:
200.64 ft2 / 18.64 m2
S.A. Main:
202.50 ft2 / 18.81 m2
S.A. Total (100% Fore + Main Triangles)
403.14 ft2 / 37.45 m2
S.A./Disp. (calc.):
13.33
Est. Forestay Len.:
35.17 ft / 10.72 m

Sailboat Links

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.



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