Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 8.97 m
LWL: 7.19 m
S.A. (reported): 36.42 m²
Beam: 3.22 m
Displacement: 3,447 kg
Max Draft: 1.75 m
Construction: FG
First Built: 1978
Builder: Yamaha
Designer: Yamaha Design Group

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Yanmar
Model: YSM12
Type: Diesel

Sailboat Calculations

S.A. / Displ.: 16.28
Disp: / Len: 258.75
Comfort Ratio: 20.03
Capsize Screening Formula: 2.16
S#: 2.02
Hull Speed: 6.51 kn
Pounds/Inch Immersion: 891.41 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 11.50 m
J: 3.70 m
P: 10.00 m
E: 3.00 m
S.A. Fore: 21.26 m²
S.A. Main: 15.00 m²
S.A. Total (100% Fore + Main Triangles): 36.26 m²
S.A./Displ. (calc.): 16.21
Est. Forestay Length: 12.08 m

Sailboat Links

Designers: Peter Norlin
Builders: Yamaha
Download Boat Record:


It is thought that the YAMAHA-30 is based on the Norlin designed SCAMPI MKIII.
A tall rig version was also available.
I: 12.4m/40.68
J: 3.7m/12.14'
P: 18.8m/35.43'
E: 3.2m/10.5'