Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 29.46 ft
LOD: 27.50 ft
LWL: 25.07 ft
S.A. (reported): 354.67 ft²
Beam: 8.37 ft
Beam WL: 7.71 ft
Displacement: 8,157.00 lb
Ballast: 1,653.00 lb
Max Draft: 5.15 ft
Min Draft: 2.13 ft
Construction: GRP
Ballast Type: Lead
First Built: 2005
Builder: Bora Yachts (POL)
Designer: Andreas Wozniak

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: 2YM15
Type: Diesel
HP: 14
Fuel: 11 gals


Water: 26 gals
Headroom: 5.90 ft

Sailboat Calculations

S.A. / Displ.: 14.05
Bal. / Displ.: 20.26
Disp: / Len: 231.11
Comfort Ratio: 28.18
Capsize Screening Formula: 1.67
Hull Speed: 6.71 kn
Pounds/Inch Immersion: 749.77 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Builders: Sun Yachts (POL)
Download Boat Record:


Based on the Kormoran 05 built in the 1970s, designed by Aleksander Powalajew
Also known as the Sun Bora 28
A fixed keel version called the BORA B is also available. Fixed cast iron keel. Draft: 1.4m; ballast: 650 kg / 1,433 lbs