Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/bulb & spade rudder
Rigging Type: Fractional Sloop
LOA: 9.94 m
LWL: 8.72 m
S.A. (reported): 53.05 m²
Beam: 3.41 m
Displacement: 3,817 kg
Ballast: 1,520 kg
Max Draft: 1.99 m
Construction: Balsa/foam composite with vinylester resin
Ballast Type: Cast iron fin and integral lead wedge shoe
First Built: 2019
Builder: J/Boats and J/Composites
Designer: Alan Johnstone

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo
Model: D1-20
Type: Diesel
HP: 20
Fuel: 50 L

Accomodations

Water: 100 L

Sailboat Calculations

Definitions
S.A. / Displ.: 22.15
Bal. / Displ.: 39.81
Disp: / Len: 160.59
Comfort Ratio: 17.52
Capsize Screening Formula: 2.20
S#: 3.88
Hull Speed: 7.17 kn
Pounds/Inch Immersion: 1,142.49 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 13.22 m
J: 3.83 m
P: 12.74 m
E: 4.36 m
ISP: 14.40 m
S.A. Fore: 25.30 m²
S.A. Main: 27.77 m²
S.A. Total (100% Fore + Main Triangles): 53.07 m²
S.A./Displ. (calc.): 22.16
Est. Forestay Length: 13.76 m

Sailboat Links

Designers: Alan Johnstone
Builders: J Boats
J Composites (FRA)
Download Boat Record:

Notes

Twin rudder optional.
Option for all lead deep fin keel.