Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 39.30 ft
LWL: 30.51 ft
S.A. (reported): 669.00 ft²
Beam: 12.47 ft
Displacement: 14,991.00 lb
Ballast: 6,990.00 lb
Max Draft: 6.75 ft
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: 29 gals


Water: 53 gals

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: 48.20 ft
J: 15.20 ft
P: 42.00 ft
E: 14.40 ft
S.A. Fore: 366.32 ft²
S.A. Main: 302.40 ft²
S.A. Total (100% Fore + Main Triangles): 668.72 ft²
S.A./Displ. (calc.): 17.66
Est. Forestay Length: 50.54 ft

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.