Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Swing keel w/dual rudders
Rigging Type: Fractional Sloop
LOA: 27.89 ft / 8.50 m
LWL: 26.41 ft / 8.05 m
S.A. (reported): 303.54 ft² / 28.20 m²
Beam: 8.37 ft / 2.55 m
Displacement: 4,597.00 lb / 2,085 kg
Ballast: 1,609.00 lb / 730 kg
Max Draft: 4.76 ft / 1.45 m
Min Draft: 0.98 ft / 0.30 m
Construction: FG
Ballast Type: Water
First Built: 2001
Builder: Imexus Yachts

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Inboard and outboard options


Water: 6 gals / 24 L
Headroom: 6.08 ft / 1.85 m

Sailboat Calculations

S.A. / Displ.: 17.62
Bal. / Displ.: 35.00
Disp: / Len: 111.41
Comfort Ratio: 15.61
Capsize Screening Formula: 2.02
Hull Speed: 6.89 kn
Pounds/Inch Immersion: 789.84 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

Mast Height from DWL: 29.53 ft / 9.00 m

Sailboat Links

Download Boat Record:


The Imexus 28 is a power-sail hybrid from Poland. Developed from the Odin 820 with these companies now being one.
Originally called Mast 28 in the US.
Water Ballast.
Displacement empty: 1300 kg (Optional upgrade called the North Sea version add another 165 kg lead).
Water ballast 730 kg.
Swing keel 55 kg (North Sea version 65 kg).
Has inboard and outboard engine options. The difference between the two: Inboard stern has higher freeboard, larger swim platform and wider stern lifting seat (to accommodate the engine and engine access), Outboard version has a lower swim platform and extra locker.
Inboard options: 130, 140, 170 hp diesel.
Outboard version: 5-150 hp.
Thanks to Graeme Smith for his help with photos, brochures and other information.