Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/bulb & spade rudder
Rigging Type: Fractional Sloop
LOA: 10.74 m
LWL: 9.30 m
S.A. (reported): 59.83 m²
Beam: 3.51 m
Displacement: 4,944 kg
Ballast: 1,769 kg
Max Draft: 2.13 m
Construction: FG
Ballast Type: Lead
First Built: 2004
Builder: J Boats Tillotson Pearson (USA)
Designer: Johnstone

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 3GM30
Type: Diesel
HP: 27
Fuel: 68 L

Accomodations

Water: 79 L

Sailboat Calculations

Definitions
S.A. / Displ.: 21.03
Bal. / Displ.: 35.78
Disp: / Len: 171.51
Comfort Ratio: 20.40
Capsize Screening Formula: 2.08
S#: 3.57
Hull Speed: 7.40 kn
Pounds/Inch Immersion: 1,253.27 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 14.17 m
J: 4.05 m
P: 13.18 m
E: 4.72 m
ISP: 15.12 m
S.A. Fore: 28.73 m²
S.A. Main: 31.14 m²
S.A. Total (100% Fore + Main Triangles): 59.87 m²
S.A./Displ. (calc.): 21.05
Est. Forestay Length: 14.74 m

Sailboat Links

Designers: Rod Johnstone
Builders: J Boats
Associations: J/109 Class Association
Download Boat Record:

Notes

Shoal draft version: 5.75'/1.75m.
Volvo D1-30 diesel offered later.