Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin Keel
Rigging Type: Masthead Sloop
LOA: 9.14 m
LWL: 6.15 m
S.A. (reported): 38.00 m²
Beam: 2.81 m
Displacement: 4,241 kg
Ballast: 1,497 kg
Max Draft: 1.36 m
Construction: FG
Ballast Type: Lead
First Built: 1972
# Built: 6
Builder: Cape Dory Yachts (USA)
Designer: Ted Hood

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas
Fuel: 114 L


Water: 189 L

Sailboat Calculations

S.A. / Displ.: 14.79
Bal. / Displ.: 35.29
Disp: / Len: 508.68
Comfort Ratio: 32.47
Capsize Screening Formula: 1.75
S#: 0.63
Hull Speed: 6.02 kn
Pounds/Inch Immersion: 663.76 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.27 m
J: 3.35 m
P: 9.59 m
E: 3.96 m
S.A. Fore: 18.89 m²
S.A. Main: 19.00 m²
S.A. Total (100% Fore + Main Triangles): 37.88 m²
S.A./Displ. (calc.): 14.75
Est. Forestay Length: 11.75 m

Sailboat Links

Designers: Ted Hood
Builders: Cape Dory Yachts
Associations: Cape Dory Sailboat Owners Association
Download Boat Record:


Derived from an earlier boat called the NAUGUS 30, originally built in 1967 by Naugus Fiberglass Industries, (Marblehead, MA) (6 built). The tooling was later sold to Cape Dory Yachts and renamed CAPE 30. Thanks to NAUGUS 30 owner Ben Smith for providing extra information.