Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Fractional Sloop
LOA: 12.50 ft / 3.81 m
S.A. (reported): 102.00 ft² / 9.48 m²
Beam: 4.69 ft / 1.43 m
Displacement: 110.00 lb / 50 kg
Max Draft: 1.90 ft / 0.58 m
Min Draft: 0.25 ft / 0.08 m
Construction: Plywood/FG
First Built: 1971
# Built: 3100
Builder: See Class Association
Designer: Simon Grieg

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Model: Various

Sailboat Calculations

S.A. / Displ.: 71.11
Capsize Screening Formula: 3.92

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Builders: Formula Sailcraft (AUS)
Associations: 125 Dinghy (Australia)
Download Boat Record:


The 125 is a 12.5 foot (3.83 m) two person sailing dinghy with spinnaker and trapeze seen mostly in Australia.
Originally designed for owner building. A fiberglass hull is also available.(1990)
There is a strong Association with Divisions in all states of Australia with 100 active members in Victoria and about 600 members through out Australia. 125s are also sailing in S.E. Asia and in New Zealand.
Spin. area: 8.6m2/93 sq.ft.