SPENCER 51/53

SPENCER 51/53
SPENCER 51/53

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 51.00 ft / 15.54 m
LWL: 37.50 ft / 11.43 m
S.A. (reported): 1,064.00 ft² / 98.85 m²
Beam: 13.17 ft / 4.01 m
Displacement: 30,000.00 lb / 13,608 kg
Ballast: 13,000.00 lb / 5,897 kg
Max Draft: 7.42 ft / 2.26 m
Construction: FG
First Built: 1970
# Built: 31
Builder: Spencer Boats Ltd.
Designer: John Brandlmayer

Sailboat Calculations

Definitions
S.A. / Displ.: 17.70
Bal. / Displ.: 43.33
Disp: / Len: 253.97
Comfort Ratio: 36.02
Capsize Screening Formula: 1.70
S#: 2.21
Hull Speed: 8.21 kn
Pounds/Inch Immersion: 1,764.67 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 57.20 ft / 17.43 m
J: 20.80 ft / 6.34 m
P: 50.00 ft / 15.24 m
E: 19.00 ft / 5.79 m
S.A. Fore: 594.88 ft² / 55.27 m²
S.A. Main: 475.00 ft² / 44.13 m²
S.A. Total (100% Fore + Main Triangles): 1,069.88 ft² / 99.40 m²
S.A./Displ. (calc.): 17.80
Est. Forestay Length: 60.86 ft / 18.55 m

Sailboat Links

Designers: John Brandlmayr
Builders: Spencer Boats Ltd.
Associations: Spencer Yachts Owners Group
Download Boat Record:

Notes

The SPENCER 51 & 53 are the same hull with different stern overhang. They were built with aft and center cockpits, sloop and ketch rigs.