Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 11.36 m
LWL: 8.31 m
S.A. (reported): 55.93 m²
Beam: 3.41 m
Displacement: 8,165 kg
Ballast: 3,456 kg
Max Draft: 1.52 m
Construction: FG
Ballast Type: Lead
First Built: 1976
Builder: Alpa (ITA)
Designer: Sparkman & Stephens

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Mercedes Benz
Type: Diesel
HP: 48
Fuel: 189 L

Accomodations

Water: 379 L

Sailboat Calculations

Definitions
S.A. / Displ.: 14.08
Bal. / Displ.: 42.33
Disp: / Len: 397.12
Comfort Ratio: 36.82
Capsize Screening Formula: 1.71
S#: 0.99
Hull Speed: 7.00 kn
Pounds/Inch Immersion: 1,090.51 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 13.70 m
J: 4.34 m
P: 11.83 m
E: 4.44 m
S.A. Fore: 29.73 m²
S.A. Main: 26.26 m²
S.A. Total (100% Fore + Main Triangles): 55.99 m²
S.A./Displ. (calc.): 14.09
Est. Forestay Length: 14.37 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: Alpa Yachts (ITA)
Download Boat Record:

Notes

S&S Design #2172. Many thanks for Norman Prefontaine for prividing information on this model. Also available as a ketch.
The ALPA 36MS and ALPA 38 seem to be nearly the same.