Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 8.84 m
LWL: 6.91 m
S.A. (reported): 37.16 m²
Beam: 2.80 m
Displacement: 3,810 kg
Ballast: 1,565 kg
Max Draft: 1.37 m
Construction: FG
Ballast Type: Lead
First Built: 1966
Last Built: 1971
# Built: 169
Builder: Bristol Yachts Inc. (USA)
Designer: Halsey Herreshoff

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
Fuel: 95 L


Water: 189 L

Sailboat Calculations

S.A. / Displ.: 15.54
Bal. / Displ.: 41.07
Disp: / Len: 321.87
Comfort Ratio: 27.61
Capsize Screening Formula: 1.81
S#: 1.48
Hull Speed: 6.38 kn
Pounds/Inch Immersion: 742.79 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.02 m
J: 3.35 m
P: 9.50 m
E: 3.94 m
S.A. Fore: 18.48 m²
S.A. Main: 18.71 m²
S.A. Total (100% Fore + Main Triangles): 37.19 m²
S.A./Displ. (calc.): 15.55
Est. Forestay Length: 11.52 m

Sailboat Links

Designers: Halsey Herreshoff
Builders: Bristol Yachts
Associations: Bristol 29 Owners (USA)
Related Sailboats: BRISTOL 30
Download Boat Record:


Early models were fitted with a Graymarine Gas Engine.
Keel/CB version
BU: 3.3'/1.0m BD:5.8'/1.77m
(listed dimensions for tall rig).
(Shorter rig: I=34.16'/10.41m P=29.16'/8.89m)
The later BRISTOL 30 is very similar, with an updated coachroof.