Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 30.00 ft
LWL: 29.33 ft
Beam: 8.00 ft
Displacement: 2,425.00 lb
Ballast: 992.00 lb
Max Draft: 6.58 ft
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: 37.50 ft
J: 10.89 ft
P: 43.90 ft
E: 15.00 ft
SPL/TPS: 17.00 ft
ISP: 46.50 ft
S.A. Fore: 204.19 ft²
S.A. Main: 329.25 ft²
S.A. Total (100% Fore + Main Triangles): 533.44 ft²
S.A./Displ. (calc.): 47.40
Est. Forestay Length: 39.05 ft

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.