Hawk 18 catamaran
Description
The Hawk 18 is a small, lightweight plywood catamaran designed by Selway-Fisher Design (UK-based naval architects specializing in simple, home-build boats), with plans available through Duckworks and Selway-Fisher sites. It's an ultra-simple stitch-and-tape (epoxy-plywood) beach cat/day cruiser aimed at coastal exploration, camping, or shallow-water sailing—featuring narrow hulls (sit-in style with built-in buoyancy and storage), detachable crossbeams (bolted for easy disassembly/trailering), and optional daggerboards or a fixed low-aspect keel alternative. The design emphasizes minimalism and affordability (uses about 14 sheets of plywood total), making it popular for amateur builders; examples have been constructed in places like Ukraine, the Philippines, and elsewhere.
Construction Details
| Designer | Selway Fisher Design |
|---|---|
| Builder | Home Built |
| Length | 18.000 ft |
| LOA | 18.000 ft |
| Beam | 11.000 ft |
| Displacement | 386 lb |
| Max Draft | 2.670 ft |
| Min Draft | 0.670 ft |
The standard boat dimensions
| i | 27 ft |
|---|---|
| j | 7.80 ft |
| p | 29.33 ft |
| e | 9.75 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 27 ft | 7.80 ft | 29.33 ft | 9.75 ft | - | - | - | - |
Sails
Hawk 18 catamaran - JIBSAIL
| Luff | 14.83 ft - (4520 mm) |
|---|---|
| Foot | 6.5 ft - (1981 mm) |
| Leech | 13.458 ft - (4102 mm) |
| Area | * 43.73 ft² |
| Edit in Calculator |
Hawk 18 catamaran - GUNTER
| Luff | 5.25 ft - (1600 mm) |
|---|---|
| Foot | 8.458 ft - (2578 mm) |
| Leech | 21.67 ft - (6605 mm) |
| Tack Angle | * 77.74 ° |
| Diag (clew/throat) | 8.958 ft - (2730 mm) |
| Head | 17 ft - (5182 mm) |
| Area | * 90.92 ft² |
| Edit in Calculator |
Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.
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