Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 26.25 ft / 8.00 m
LWL: 19.00 ft / 5.79 m
S.A. (reported): 243.00 ft² / 22.58 m²
Beam: 8.20 ft / 2.50 m
Displacement: 4,409.00 lb / 2,000 kg
Ballast: 1,874.00 lb / 850 kg
Max Draft: 4.13 ft / 1.26 m
Construction: FG
First Built: 1971
Builder: Dekker & Sons (NL)/EDOR
Designer: Jacques Gaubert/André Mauric

Accomodations

Water: 26 gals / 98 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.50
Bal. / Displ.: 42.50
Disp: / Len: 286.97
Comfort Ratio: 19.51
Capsize Screening Formula: 2.00
S#: 1.64
Hull Speed: 5.84 kn
Pounds/Inch Immersion: 556.69 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 27.89 ft / 8.50 m
J: 10.01 ft / 3.05 m
P: 24.61 ft / 7.50 m
E: 8.37 ft / 2.55 m
S.A. Fore: 139.59 ft² / 12.97 m²
S.A. Main: 102.99 ft² / 9.57 m²
S.A. Total (100% Fore + Main Triangles): 242.58 ft² / 22.54 m²
S.A./Displ. (calc.): 14.48
Est. Forestay Length: 29.63 ft / 9.03 m

Sailboat Links

Notes

Inboard Buhk Desiel was optional.
Based on the earlier DEFENDER 15 (IOR 1/4 ton), with more freeboard and entirely new deck.
Later a stretched version became the DEFENDER 32. The 27 was, by far, the yards most popular model.