Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Centerboard Dinghy
Rigging Type: Gaffhead Sloop
LOA: 13.00 ft / 3.96 m
S.A. (reported): 110.00 ft² / 10.22 m²
Beam: 4.83 ft / 1.47 m
Displacement: 375.00 lb / 170 kg
Max Draft: 1.67 ft / 0.51 m
Min Draft: 0.50 ft / 0.15 m
Construction: Wood (clinker)
First Built: 1887
# Built: 44
Builder: McKeown of Belfast (IRELAND)
Designer: Thomas B. Middleton/J. E. Doyle

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Sailboat Calculations

S.A. / Displ.: 33.88
Capsize Screening Formula: 2.68

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Associations: Water Wag Class (1887)
Download Boat Record:


Based on a prototype 'Cemiostama',(1878?), which in turn derived from an earlier Norwegian type.
The design was modified slightly (from double ended to transom) and standardized in 1900.(J.E. Doyle)
The WATER WAG is reputedly the oldest one-design class in the world still racing. (at Dun Laoghaire Harbour, Ireland) and administered by the Water Wag Club.
Spinnaker area: 60 sq. ft.