QUARTER TON CLASS

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
LOA:
23.00 ft / 7.01 m
LWL:
18.00 ft / 5.49 m
Beam:
8.50 ft / 2.59 m
S.A. (reported):
270.00 ft2 / 25.08 m2
Draft (max):
4.50 ft / 1.37 m
Draft (min):
Displacement:
3,000 lb / 1,361 kg
Ballast:
1,200 lb / 544 kg
S.A./Disp.:
20.82
Bal./Disp.:
40.00
Disp./Len.:
229.64
Construction:
FG
Ballast Type:
First Built:
1967
Last Built:
# Built:
Builder:
Various
Designer:
Various
Website:

Sailboat Calculations

S.A./Disp.:
20.82
Bal./Disp.:
40.00
Disp./Len.:
229.64
Comfort Ratio:
13.74
Capsize Screening Formula:
2.36

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.



.