Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 9.14 m
LWL: 8.94 m
Beam: 2.44 m
Displacement: 1,100 kg
Ballast: 450 kg
Max Draft: 2.01 m
Construction: FG
Ballast Type: Lead
First Built: 1988
Designer: Rob Humphreys

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Bal. / Displ.: 40.91
Disp: / Len: 42.91
Comfort Ratio: 7.95
Capsize Screening Formula: 2.38
S#: 10.53
Hull Speed: 7.26 kn
Pounds/Inch Immersion: 838.39 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.43 m
J: 3.32 m
P: 13.38 m
E: 4.57 m
SPL/TPS: 5.18 m
ISP: 14.17 m
S.A. Fore: 18.97 m²
S.A. Main: 30.59 m²
S.A. Total (100% Fore + Main Triangles): 49.56 m²
S.A./Displ. (calc.): 47.40
Est. Forestay Length: 11.90 m

Sailboat Links

Designers: Rob Humphreys
Download Boat Record:


Beam with racks: 14'.
Built for the ULTRA 30 Gran Prix Circuit which existed for a number of years in the UK, beginning in the early 1990's. On board cameras were sometimes used with events shown on BBC television. The rules were changed a number of times with trapezes later being allowed.
Also called ULTIMATE 30.