FORMOSA 51

Sailboat Specifications

both US imperial metric

Hull Type:

Long Keel

Rigging Type:

Staysail Ketch

LOA:

50.83 ft / 15.49 m

LWL:

39.58 ft / 12.06 m

Beam:

14.08 ft / 4.29 m

S.A. (reported):

1,254.00 ft² / 116.50 m²

Draft (max):

6.17 ft / 1.88 m

Displacement:

52,000 lb / 23,587 kg

Ballast:

12,000 lb / 5,443 kg

S.A./Disp.:

14.47

Bal./Disp.:

23.08

Disp./Len.:

374.39

Construction:

FRP

Ballast Type:

Cast iron

First Built:

1972

Last Built:

1984

Builder:

Formosa Yachts

Designer:

William Garden

Auxiliary Power/Tanks (orig. equip.)

Make:

Lehman Ford

Type:

Diesel

HP:

120

Fuel:

150 gals / 568 L

Sailboat Calculations

Definitions

S.A./Disp.:

14.47

Bal./Disp.:

23.08

Disp./Len.:

374.39

Comfort Ratio:

55.26

Capsize Screening Formula:

1.51

S#:

0.88

Rig and Sail Particulars

help

I:

54.70 ft / 16.67 m

J:

18.30 ft / 5.58 m

P:

48.30 ft / 14.72 m

E:

19.00 ft / 5.79 m

PY:

28.50 ft / 8.69 m

EY:

11.80 ft / 3.60 m

S.A. Fore:

500.51 ft² / 46.50 m²

S.A. Main:

458.85 ft² / 42.63 m²

S.A. Total (100% Fore + Main Triangles)

959.36 ft² / 89.13 m²

S.A./Disp. (calc.):

11.07

Est. Forestay Len.:

57.68 ft / 17.58 m

Mast Height from DWL:

59.70 ft / 18.20 m

Accommodations

Water:

150 gals / 568 L

Sailboat Links

Designers:

William Garden

Builders:

Formosa Boat Building Co. Ltd.

Associations:

Force 50 & Formosa 51 Owners Group

Related Sailboats:

HUDSON FORCE 50

Download Boat Record:

PDF

Notes

Also available with a Perkins engine.
A number of production yachts were based on this design including the HUDSON FORCE 50, GOLDCOAST OFFSHORE 50.

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