Triangle one design


The Triangle one design is a 28.5ft fractional sloop designed by John Alden and built in wood by Graves Yacht Yard (USA) between 1926 and 1933.

60 units have been built.

The Triangle one design is a heavy sailboat which is a very high performer. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a fast cruiser.

See all sailboats built by Graves Yacht Yard (USA)

See all sailboats designed by John Alden

Triangle one design for sale elsewhere on the web:

Main features


Model Triangle one design
Length 28.50 ft
Beam 7.50 ft
Draft 4.75 ft
Country United states (North America)
Estimated price $ 0 ??

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Ratios


Sail area / displ. 22.29
Ballast / displ. 49.83 %
Displ. / length 353.74
Comfort ratio 24.62
Capsize 1.75

Hull


Hull type Monohull fin keel
Construction Wood
Waterline length 18.50 ft
Maximum draft 4.75 ft
Displacement 5017 lbs
Ballast 2500 lbs
Hull speed 5.76 knots

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Rigging


Rigging Fractional Sloop
Sail area (100%) 407 sq.ft
Air draft 0 ft ??
Sail area fore 94.05 sq.ft
Sail area main 360 sq.ft
I 22.80 ft
J 8.25 ft
P 37.50 ft
E 19.20 ft

Engine


Nb engines 1
Total power 0 HP
Fuel capacity 0 gals

Accommodations


Water capacity 0 gals
Headroom 0 ft
Nb of cabins 0
Nb of berths 0
Nb heads 0

Builder data


Builder Graves Yacht Yard (USA)
Designer John Alden
First built 1926
Last built 1933
Number built 60

Other photos