| Length: 8.40m (27ft 7ins) |
| Width: 1.90m (6ft 3ins) |
| Weight: |
| Country: United Kingdom |
| Keel Type: Centreboard |
| Rig Type: Bermuda Sloop Fractional (with jib) |
| Crew: 3 |
| Trapeze: none |
| Sail Area: 32.4 max sq. m |
| Spinnaker Type: Symmetric spinnaker |
| Spinnaker Area: 27.9 sq.m |
| Designer(s): |
| Design Year: 1897 |
| Builder: |
| Boats Built: 22 |
One of the oldest classes, raters are built to a formula and have a tall, high aspect ratio rig to suit the middle non-tidal river Thames.
The heavy centreboard provides the ballast.
| Class Association website: https://raterassociation.co.uk/ |
| Other links: https://www.thamessailingclub.co.uk/TSCsailing/thames-a-raters-1 |
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