Hartley 16 Catamaran (Fast Twin 16))
Description
The Hartley 16 Catamaran (also known as the Fast Twin 16 or Fast Twin Catermaran) is a lightweight, high-speed 16-foot (4.88 m) catamaran designed by Richard Hartley (founder of Hartley Boats in New Zealand). It's part of Hartley's long history of affordable, plans-based boats for amateur builders, emphasizing simplicity, speed, and fun for day sailing, racing, or even fishing. This is a true catamaran (twin hulls) unlike the monohull Hartley TS16 trailer sailer (a popular plywood daysailer/cruiser often confused due to similar length and designer). The Fast Twin 16 is marketed as a "high speed craft" capable of speeds up to 20 mph (about 17 knots) under good conditions, thanks to its low weight, wide beam for stability, and generous sail area. It's suitable for racing, casual daysailing, or relaxed outings—very trailerable and easy to launch/retrieve. Plans are still available from Hartley Boats for plywood construction (often glass-sheathed for durability), making it accessible for DIY builders. It's not a mass-produced model, so most examples are home-built or small-yard produced.
Construction Details
| Designer | Richard Hartley |
|---|---|
| Builder | Home Built |
| Length | 16.000 ft |
| LOA | 15.910 ft |
| Beam | 7.550 ft |
| Displacement | 265 lb |
| Max Draft | 1.500 ft |
| Min Draft | 0.250 ft |
The standard boat dimensions
| i | - |
|---|---|
| j | - |
| p | 20.50 ft |
| e | 10 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| - | - | 20.50 ft | 10 ft | - | - | - | - |
Sails
Hartley 16 Catamaran (Fast Twin 16)) - MAINSAIL
| Luff | 20.5 ft - (6248 mm) |
|---|---|
| Foot | 10 ft - (3048 mm) |
| Leech | * 22.27 ft - (6788 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 22.49 ft - (6855 mm) |
| Head (inches) | * 4.5 in - (114 mm) |
| Area | * 105.84 ft² |
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Hartley 16 Catamaran (Fast Twin 16)) - SPINNAKER
| Stays | 19 ft - (5791 mm) |
|---|---|
| MidGirth | 16.2 ft - (4938 mm) |
| Foot | 16 ft - (4877 mm) |
| Area | * 258 ft² |
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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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