Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 21.82 ft
LWL: 17.72 ft
S.A. (reported): 269.00 ft²
Beam: 6.89 ft
Displacement: 1,900.00 lb
Ballast: 830.00 lb
Max Draft: 3.28 ft
Construction: FG
First Built: 1968
Builder: Alpa (ITA)
Designer: E. G. van de Stadt

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

S.A. / Displ.: 28.12
Bal. / Displ.: 43.68
Disp: / Len: 152.45
Comfort Ratio: 11.84
Capsize Screening Formula: 2.23
Hull Speed: 5.64 kn
Pounds/Inch Immersion: 436.24 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: E. G. Van de Stadt
Builders: Alpa Yachts (ITA)
Download Boat Record:


van de Stadt #197.
(Shown here is actually the ALPA 6. The 6.7 has a slightly different coach roof)