Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 47.64 ft
LWL: 40.09 ft
S.A. (reported): 1,121.00 ft²
Beam: 14.53 ft
Displacement: 36,376.00 lb
Ballast: 15,653.00 lb
Max Draft: 5.91 ft
Construction: FG
Ballast Type: Lead
First Built: 1988
Builder: Jonmeri
Designer: Jorma Nyman/ Karl/Johan Stråhlmann

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Type: Diesel

Sailboat Calculations

S.A. / Displ.: 16.41
Bal. / Displ.: 43.03
Disp: / Len: 252.03
Comfort Ratio: 37.60
Capsize Screening Formula: 1.76
S#: 2.10
Hull Speed: 8.48 kn
Pounds/Inch Immersion: 2,081.36 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 63.98 ft
J: 18.86 ft
P: 57.41 ft
E: 18.04 ft
S.A. Fore: 603.33 ft²
S.A. Main: 517.84 ft²
S.A. Total (100% Fore + Main Triangles): 1,121.17 ft²
S.A./Displ. (calc.): 16.41
Est. Forestay Length: 66.70 ft

Sailboat Links

Designers: Karl-Johan Stråhlmann
Builders: Jonmeri Yachts
Maestro Boats (FIN)
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A 'Deck Salon' version is called the JONMERI 48. Both available with a number of different keel options.