| Length: unknown |
| Width: 2.44m (8ft) |
| Weight: |
| Country: United Kingdom |
| Keel Type: |
| Rig Type: Bermuda Sloop Fractional (with jib) |
| Crew: 3-4 |
| Trapeze: none |
| Sail Area: 27 sq. m |
| Spinnaker Type: Asymmetric masthead spinnaker |
| Spinnaker Area: 45 sq.m |
| Designer(s): |
| Design Year: |
| Builder: |
| Boats Built: |
The Backman 21 has a canting keel, combined with twin kick-up rudders and a retractable daggerboard . It has an ultra light canvas and aluminium interior.
length 6.6m width 2.4m
designer Hans Backman 1999-2004
| No class association known |