Beta Marine

Sailboat Specifications

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Cutter
LOA: 8.51 m
LWL: 6.40 m
S.A. (reported): 28.71 m²
Beam: 2.44 m
Displacement: 2,585 kg
Ballast: 794 kg
Max Draft: 1.01 m
Construction: FG
Ballast Type: Lead
First Built: 1976
Last Built: 1981
# Built: 157
Builder: Pacific Seacraft
Designer: Henry Mohrschladt

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Type: Diesel


Headroom: 1.52 m

Sailboat Calculations

S.A. / Displ.: 15.54
Bal. / Displ.: 30.70
Disp: / Len: 274.77
Comfort Ratio: 23.91
Capsize Screening Formula: 1.79
S#: 1.38
Hull Speed: 6.14 kn
Pounds/Inch Immersion: 600.28 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 8.38 m
J: 2.44 m
P: 7.25 m
E: 2.90 m
S.A. Fore: 10.22 m²
S.A. Main: 10.50 m²
S.A. Total (100% Fore + Main Triangles): 20.72 m²
S.A./Displ. (calc.): 11.22
Est. Forestay Length: 8.73 m

Sailboat Links

Designers: Henry Mohrschladt
Builders: Pacific Seacraft
Download Boat Record:


The MK II adds a bow sprit and cutter rig.
Years and total built include the MKI and MKII.
LOD: 24.5ft