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QUARTER TON CLASS

Masthead Sloop • Fin w/spade rudder • Built 1967

Dimensions

LOA
23 ft
LWL
18 ft
Beam
8.5 ft
Max Draft
4.5 ft
Displacement
3,000 lbs
Ballast
1,200 lbs

Performance Ratios

Capsize Ratio ⓘ
2.36 (use caution offshore)
SA/D Ratio ⓘ
20.8
D/L Ratio ⓘ
230
Ballast Ratio ⓘ
40.0%

Sail Plan

Sail Area
270 sq ft

Construction

Hull Type
Fin w/spade rudder
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
—

Production

First Built
1967
Last Built
—
Number Built
—
Notes:

Dimensions only approximate since this a development class.

Recent history for 'level rating' competition:

1967-1970 RORC <15.0'

1971-1978 IOR <18.0'

1979-1996 IOR <18.55'

Beginning in 2005, new class in the UK, NED (and elsewhere) under IRC.