Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/bulb & spade rudder
Rigging Type: Fractional Sloop
LOA: 10.00 m
LWL: 8.84 m
S.A. (reported): 53.70 m²
Beam: 2.83 m
Displacement: 2,948 kg
Ballast: 1,111 kg
Max Draft: 1.75 m
Construction: Resin infusion w/balsa sandwich deck and hull.
Ballast Type: Lead
First Built: 2005
Builder: J-Boats (USA)
Designer: Johnstone

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo or Yanmar
Type: Diesel
HP: 14
Fuel: 38 L


Water: 57 L

Sailboat Calculations

S.A. / Displ.: 26.63
Bal. / Displ.: 37.69
Disp: / Len: 118.98
Comfort Ratio: 17.14
Capsize Screening Formula: 1.99
S#: 4.64
Hull Speed: 7.22 kn
Pounds/Inch Immersion: 961.60 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.73 m
J: 3.51 m
P: 11.58 m
E: 4.11 m
ISP: 13.11 m
S.A. Fore: 20.57 m²
S.A. Main: 23.83 m²
S.A. Total (100% Fore + Main Triangles): 44.40 m²
S.A./Displ. (calc.): 22.02
Est. Forestay Length: 12.25 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Associations: J Boats
Download Boat Record:


Shoal draft: 4.5'.
Carbon spar opt.
Removable Hoyt (self tacking) jib boom opt.