Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 8.84 m
LWL: 6.48 m
S.A. (reported): 35.86 m²
Beam: 2.74 m
Displacement: 3,289 kg
Ballast: 1,701 kg
Max Draft: 1.37 m
Construction: FG
Ballast Type: Lead
First Built: 1972
Builder: Northern Yachts Ltd. (CAN)
Designer: Sparkman & Stephens

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
HP: 30
Fuel: 38 L


Water: 57 L

Sailboat Calculations

S.A. / Displ.: 16.54
Bal. / Displ.: 51.72
Disp: / Len: 337.30
Comfort Ratio: 25.46
Capsize Screening Formula: 1.86
S#: 1.45
Hull Speed: 6.18 kn
Pounds/Inch Immersion: 683.36 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.28 m
J: 3.70 m
P: 9.83 m
E: 3.05 m
S.A. Fore: 20.85 m²
S.A. Main: 14.98 m²
S.A. Total (100% Fore + Main Triangles): 35.83 m²
S.A./Displ. (calc.): 16.52
Est. Forestay Length: 11.87 m
Mast Height from DWL: 12.80 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: Northern Yachts Ltd. (CAN)
Associations: Half Ton Class
Download Boat Record:


S&S design #2047.
IOR Half ton.