HARMONY 31

HARMONY 31 drawing

Sailboat Specifications


Hull Type:
Fin Keel
Rigging Type:
Masthead Sloop
LOA:
31.17 ft / 9.50 m
LWL:
24.44 ft / 7.45 m
Beam:
9.19 ft / 2.80 m
S.A. (reported):
416.00 ft2 / 38.65 m2
Draft (max):
4.69 ft / 1.43 m
Draft (min):
Displacement:
10,582 lb / 4,800 kg
Ballast:
4,409 lb / 2,000 kg
S.A./Disp.:
13.86
Bal./Disp.:
41.67
Disp./Len.:
323.61
Construction:
FG
Ballast Type:
Lead
First Built:
1964
Last Built:
1968
# Built:
50
Builder:
Tyler Boat Co. Ltd. (UK)
Designer:
E. G. van de Stadt
Website:

Sailboat Calculations

S.A./Disp.:
13.86
Bal./Disp.:
41.67
Disp./Len.:
323.61
Comfort Ratio:
32.20
Capsize Screening Formula:
1.68

Rig and Sail Particulars

I:
38.38 ft / 11.70 m
J:
12.30 ft / 3.75 m
P:
32.32 ft / 9.85 m
E:
11.15 ft / 3.40 m
SPL/TPS:
ISP:
S.A. Fore:
236.04 ft2 / 21.93 m2
S.A. Main:
180.18 ft2 / 16.74 m2
S.A. Total (100% Fore + Main Triangles)
416.22 ft2 / 38.67 m2
S.A./Disp. (calc.):
13.86
Est. Forestay Len.:
40.30 ft / 12.28 m

Sailboat Links

Notes

(VDS design #140)
The first 64 HARMONY 31 hulls were molded by Tyler Boat Co. and completed by Southern Ocean Shipyards at Poole (UK). They were the predecessors to the fin and skeg TRINTELLA II, TRINTELLA IIA, SEACRACKER 33, and TUFGLAS 33. The latter two were also built by Tyler.
The HARMONY 31 was also finished and sold by Malo Yachts of Sweden (1964-1968).

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