Beta Marine

Sailboat Specifications

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Cutter
LOA: 27.93 ft
LWL: 21.00 ft
S.A. (reported): 309.00 ft²
Beam: 8.00 ft
Displacement: 5,700.00 lb
Ballast: 1,750.00 lb
Max Draft: 3.33 ft
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: 5.00 ft

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: 27.50 ft
J: 8.00 ft
P: 23.80 ft
E: 9.50 ft
S.A. Fore: 110.00 ft²
S.A. Main: 113.05 ft²
S.A. Total (100% Fore + Main Triangles): 223.05 ft²
S.A./Displ. (calc.): 11.22
Est. Forestay Length: 28.64 ft

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