Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 10.10 m
LWL: 8.30 m
S.A. (reported): 45.71 m²
Beam: 3.40 m
Displacement: 4,000 kg
Ballast: 1,800 kg
Max Draft: 1.75 m
Construction: FG
Ballast Type: Iron
First Built: 1983
Last Built: 1993
# Built: 1200
Builder: Dehler (GER)
Designer: E. G. van de Stadt

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Type: Diesel
HP: 18
Fuel: 38 L


Water: 76 L

Sailboat Calculations

S.A. / Displ.: 18.50
Bal. / Displ.: 45.00
Disp: / Len: 194.98
Comfort Ratio: 18.93
Capsize Screening Formula: 2.16
S#: 2.94
Hull Speed: 6.99 kn
Pounds/Inch Immersion: 1,084.85 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.80 m
J: 3.65 m
P: 11.80 m
E: 4.10 m
S.A. Fore: 21.52 m²
S.A. Main: 24.18 m²
S.A. Total (100% Fore + Main Triangles): 45.71 m²
S.A./Displ. (calc.): 18.50
Est. Forestay Length: 12.35 m

Sailboat Links

Designers: E. G. Van de Stadt
Builders: Dehler Yachts
Related Sailboats: OPTIMA 106 (DEHLER)
Download Boat Record:


VDS design #320. Originally called the OPTIMA 106.
A more cruising oriented version of the DB1-2 designs,(IOR 3/4 ton).
Shallow draft: 4.74'/1.45m
I: 40.85'/12.45m
J: 11.97'/3.65m
P: 41.38'/12.61m
E: 14.33'/4.37m
SA (100% fore+main triangles): 540.97 ft2/50.26 m2