Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Fractional Sloop
LOA: 27.50 ft / 8.38 m
LWL: 23.00 ft / 7.01 m
S.A. (reported): 364.00 ft² / 33.82 m²
Beam: 8.50 ft / 2.59 m
Displacement: 3,800.00 lb / 1,724 kg
Ballast: 1,530.00 lb / 694 kg
Max Draft: 4.90 ft / 1.49 m
Construction: FG
Ballast Type: Lead
First Built: 1984
Last Built: 1992
# Built: 189
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Type: Outboard

Sailboat Calculations

Definitions
S.A. / Displ.: 23.98
Bal. / Displ.: 40.26
Disp: / Len: 139.43
Comfort Ratio: 13.94
Capsize Screening Formula: 2.18
S#: 4.49
Hull Speed: 6.43 kn
Pounds/Inch Immersion: 698.54 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 30.00 ft / 9.14 m
J: 10.50 ft / 3.20 m
P: 33.00 ft / 10.06 m
E: 12.50 ft / 3.81 m
S.A. Fore: 157.50 ft² / 14.63 m²
S.A. Main: 206.25 ft² / 19.16 m²
S.A. Total (100% Fore + Main Triangles): 363.75 ft² / 33.79 m²
S.A./Displ. (calc.): 23.97
Est. Forestay Length: 31.78 ft / 9.69 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Associations: J/27 Class Association
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