Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 11.98 m
LWL: 9.30 m
S.A. (reported): 62.15 m²
Beam: 3.80 m
Displacement: 6,800 kg
Ballast: 3,171 kg
Max Draft: 2.06 m
Construction: FG
Ballast Type: Lead
First Built: 1982
Last Built: 1994
# Built: 160
Builder: Dufour (FRA)
Designer: German Frers

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Westerbeke
Model: 4108
Type: Diesel
Fuel: 110 L


Water: 201 L

Sailboat Calculations

S.A. / Displ.: 17.67
Bal. / Displ.: 46.63
Disp: / Len: 235.64
Comfort Ratio: 24.26
Capsize Screening Formula: 2.03
S#: 2.38
Hull Speed: 7.40 kn
Pounds/Inch Immersion: 1,359.42 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 14.69 m
J: 4.63 m
P: 12.80 m
E: 4.39 m
S.A. Fore: 34.03 m²
S.A. Main: 28.09 m²
S.A. Total (100% Fore + Main Triangles): 62.13 m²
S.A./Displ. (calc.): 17.66
Est. Forestay Length: 15.40 m

Sailboat Links

Designers: German Frers
Builders: Dufour Yachts (FRA)
Download Boat Record:


A number of DUFOUR 39's were sold directly to the Med-Agean charter trade.
The relatively few boats delivered to the US were often fitted with teak decks and other options.
Available with wing keel - draft: 5.58'.
Thanks to Philippe Candelier for additional information.