| Length: 2.30m (7ft 7ins) |
| Width: 1.15m (3ft 9ins) |
| Weight: |
| Country: United Kingdom |
| Rig Type: Spritsail Una |
| Crew: 1 |
| Trapeze: none |
| Sail Area: 3.59 sq. m |
| Spinnaker Type: No spinnaker |
| Spinnaker Area: 0 sq.m |
| Designer(s): |
| Design Year: 1947 |
| Builder: |
| Boats Built: |
| CVRDA Handicaps |
| Old wing: 144 (Alloy mast, Dacron sail) |
Singlehander for under 16s
| Class Association website: http://www.optimistsailing.org.uk/ |
| Handicap Rating History | |||
| Year | Rating | Mast | Sail |
| RYA 2 Digit Handicaps | |||
| 1973 | 144 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| RYA 3 Digit Handicaps | |||
| 1981 | 176 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1982 | 176 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1983 | 176 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1984 | 174 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1985 | 174 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1986 | 174 | ||
| PY Type Secondary; PY Group centreboard; | |||
| 1987 | 174 | ||
| PY Type R; PY Group Centreboard; | |||
| 1988 | 174 | ||
| PY Type R; PY Group CENTREBOARD; | |||
| 1989 | 174 | ||
| PY Type R; PY Group CENTREBOARD; | |||
| 1990 | 174 | ||
| PY Type R; PY Group centreboard; | |||
| 1991 | 174 | ||
| PY Type R; PY Group Centreboard; | |||
| 1992 | 174 | ||
| PY Type R; PY Group Centreboard; | |||
| 1993 | 174 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1994 | 174 | ||
| PY Type Secondary; PY Group CENTREBOARD; | |||
| 1995 | 174 | ||
| PY Type Secondary; PY Group CENTREBOARD; | |||
| RYA 4 Digit Handicaps | |||
| 1996 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1997 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 1998 | 1646 | ||
| PY Type Secondary; PY Group CENTREBOARD; | |||
| 1999 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 2000 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 2001 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 2002 | 1646 | ||
| PY Type Secondary; PY Group Centreboard; | |||
| 2003 | 1646 | ||
| PY Type Secondary; PY Group centreboard; | |||
| 2004 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Secondary; PY Group Centreboard; | |||
| 2005 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Secondary; PY Group Centreboard; | |||
| 2006 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Secondary; PY Group Centreboard; | |||
| 2007 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type RN; PY Group Centreboard; | |||
| 2008 | 1646 | ||
| 1 Crew; Una rig; PY Type R; PY Group Centreboard; | |||
| 2009 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type R; PY Group Centreboard; | |||
| 2010 | 1646 | ||
| PY Type R; PY Group Centreboard; | |||
| 2011 | 1646 | ||
| 1 Crew; Una rig; No spinnaker;R PY Type R; PY Group Centreboard; | |||
| 2012 | 1646 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Dinghy; | |||
| 2013 | 1648 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Dinghy; | |||
| 2014 | 1658 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Dinghy; | |||
| 2015 | 1665 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Dinghy; | |||
| 2016 | 1665 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Dinghy; | |||
| 2017 | 1665 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Centreboard; | |||
| 2018 | 1655 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Centreboard; | |||
| 2019 | 1642 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Centreboard; | |||
| 2020 | 1642 | ||
| 1 Crew; Una rig; No spinnaker; PY Type Main; PY Group Centreboard; | |||
