Formosa 51

1972 — 1984
Designer
William Garden
Builders
Ta Chiao
Formosa Boat Building Co. Ltd.
Association
Force 50 & Formosa 51 Owners Group
# Built
?
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
50 11 / 15.5 m
Waterline Length
39 6 / 12.1 m
Beam
14 0 / 4.3 m
Draft
6 2 / 1.9 m
Displacement
56,000 lb / 25,401 kg
Ballast
12,000 lb / 5,443 kg
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Rig and Sails

Type
Ketch
Reported Sail Area
959′² / 89.1 m²
Total Sail Area
959′² / 89.1 m²
Mainsail
Sail Area
459′² / 42.6 m²
P
48 3 / 14.7 m
E
18 11 / 5.8 m
Mast Height
?
Foresail
Sail Area
501′² / 46.5 m²
I
54 8 / 16.7 m
J
18 3 / 5.6 m
Forestay Length
57 8 / 17.6 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
8.43 knots
Sail Area/Displacement
10.48
under powered
Ballast/Displacement
21.43
less stiff, less powerful
Displacement/Length
403.19
ultraheavy
Comfort Ratio
58.97
extremely heavy bluewater boat
Capsize Screening
1.47
better suited for ocean passages

Notes

A number of production yachts were based on this design including the HUDSON FORCE 50, GOLDCOAST OFFSHORE 50.

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