Haro Strait 55
Description
The Haro Strait is a 55-foot IOR (International Offshore Rule) racing sailboat designed by Mark Soverel (a notable American naval architect known for fast, competitive designs in the IOR era of the 1970s–1980s, including boats like the Soverel 33 and others emphasizing performance with moderate displacement and powerful rigs). It appears to be a one-off or very limited custom build (no evidence of series production or a specific builder in public records; likely constructed by a yard specializing in racing yachts during the late IOR period, possibly in the US). As an IOR racer (with a reported IOR rating around 45.8 ft in some discussions), it prioritizes upwind speed, reaching ability, and downwind planing potential under spinnaker, with a sleek hull form, fin keel, skeg-hung rudder, and a tall sloop rig suited to competitive offshore or buoy racing rather than heavy bluewater cruising.
Construction Details
| Designer | Mark Soverel |
|---|---|
| Builder | Soverel Marine |
| Length | 55.000 ft |
| LOA | 55.000 ft |
| Year Built | 1983 |
The standard boat dimensions
| i | 74.57 ft |
|---|---|
| j | 21.66 ft |
| p | 72.03 ft |
| e | 21.10 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 74.57 ft | 21.66 ft | 72.03 ft | 21.10 ft | - | - | - | - |
Sails
Haro Strait 55 - MAINSAIL
| Luff | * 72.03 ft - (21955 mm) |
|---|---|
| Foot | * 21.1 ft - (6431 mm) |
| Leech | * 74.08 ft - (22580 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 74.35 ft - (22662 mm) |
| Head (inches) | * 6 in - (152 mm) |
| Area | * 775.08 ft² |
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Haro Strait 55 - ASYMMETRICAL
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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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