Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 8.23 m
LWL: 6.17 m
S.A. (reported): 27.13 m²
Beam: 2.34 m
Displacement: 2,722 kg
Ballast: 1,361 kg
Max Draft: 1.22 m
Construction: FG
First Built: 1963
Last Built: 1966
# Built: 12
Builder: Thames Marine Ltd, (UK)
Designer: Alan Buchanan

Auxiliary Power/Tanks (orig. equip.)

Make: Vire
Type: Gas
HP: 6

Accomodations

Water: 57 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.19
Bal. / Displ.: 50.00
Disp: / Len: 322.57
Comfort Ratio: 27.58
Capsize Screening Formula: 1.69
S#: 1.38
Hull Speed: 6.03 kn
Pounds/Inch Immersion: 554.97 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 9.14 m
J: 3.05 m
P: 7.54 m
E: 3.51 m
S.A. Fore: 13.94 m²
S.A. Main: 13.22 m²
S.A. Total (100% Fore + Main Triangles): 27.16 m²
S.A./Displ. (calc.): 14.21
Est. Forestay Length: 9.64 m

Sailboat Links

Designers: Alan Buchanan
Builders: Stebbings & Sons (UK)
Thames Marine (UK)
Related Sailboats: HALCYON 27
Download Boat Record:

Notes

In 1966 Offshore Yachts aquired the molds and renamed the boat the HALCYON 27. See HALCYON 27.
Shown here is the DIAMOND MKII. An earlier version had a fractional rig.