Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 29.42 ft
LWL: 23.58 ft
S.A. (reported): 392.00 ft²
Beam: 10.58 ft
Displacement: 7,599.00 lb
Max Draft: 5.75 ft
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: 37.73 ft
J: 12.13 ft
P: 32.81 ft
E: 9.84 ft
S.A. Fore: 228.83 ft²
S.A. Main: 161.43 ft²
S.A. Total (100% Fore + Main Triangles): 390.26 ft²
S.A./Displ. (calc.): 16.21
Est. Forestay Length: 39.63 ft

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'