TRIANGLE ONE-DESIGN

TRIANGLE ONE-DESIGN photo TRIANGLE ONE-DESIGN drawing

Sailboat Specifications


Hull Type:
Fin Keel
Rigging Type:
Fractional Sloop
LOA:
28.50 ft / 8.69 m
LWL:
18.50 ft / 5.64 m
S.A. (reported):
407.00 ft2 / 37.81 m2
Beam:
7.50 ft / 2.29 m
Draft (max):
4.75 ft / 1.45 m
Draft (min):
Displacement:
5,017 lb / 2,276 kg
Ballast:
2,500 lb / 1,134 kg
S.A./Disp.:
22.29
Bal./Disp.:
49.83
Disp./Len.:
353.74
Construction:
Wood
Ballast Type:
Lead
First Built:
1926
Last Built:
1933
# Built:
60
Builder:
James Graves (USA)
Designer:
John Alden
Website:

Sailboat Calculations

S.A./Disp.:
22.29
Bal./Disp.:
49.83
Disp./Len.:
353.74
Comfort Ratio:
24.62

Rig and Sail Particulars

I:
22.80 ft / 6.95 m
J:
8.25 ft / 2.51 m
P:
37.50 ft / 11.43 m
E:
19.20 ft / 5.85 m
SPL/TPS:
ISP:
S.A. Fore:
94.05 ft2 / 8.74 m2
S.A. Main:
360.00 ft2 / 33.45 m2
S.A. Total (100% Fore + Main Triangles)
454.05 ft2 / 42.18 m2
S.A./Disp. (calc.):
24.86
Est. Forestay Len.:
24.25 ft / 7.39 m

Sailboat Links

Designers:

Notes

Alden design #278. Originally called the MARBLEHEAD CLASS, the JAMESTOWN CLASS. Of 60 built, a few have been restored and are still sailing (2005). (According to 'John G. Alden and his yacht designs' only around 14 were built.)



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