Springbank 15 (SBK 15)
Description
The Springbank 15 (often referred to as SBK 15) is a durable 4.5-meter (approx. 15 ft) Australian-designed fiberglass clinker dinghy/daysailer known for stability, low maintenance, and capacity for families or campers. It features a plywood swing centerboard, kick-up rudder, and teak trim, designed for easy beaching, trailing, and planning in strong breeze. It was originally designed by Geoff Cowap in the 1970s, inspired by traditional English south coast craft. The design emphasizes safe, fun, and stable sailing, with pleasing traditional lines. It gained popularity in the 1970s and 1980s and has a strong reputation for being well-mannered, easy to sail, and suitable for beginners or families.
Construction Details
| Designer | Geoff Cowap |
|---|---|
| Builder | Home Built |
| Length | 15.000 ft |
| Beam | 5.917 ft |
| Displacement | 300 lb |
| Year Built | 1971 |
The standard boat dimensions
| i | 16 ft |
|---|---|
| j | 7 ft |
| p | 20 ft |
| e | 8 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 16 ft | 7 ft | 20 ft | 8 ft | - | - | - | - |
Sails
Springbank 15 (SBK 15) - MAINSAIL
| Luff | 20 ft - (6096 mm) |
|---|---|
| Foot | 8 ft - (2438 mm) |
| Leech | * 20.84 ft - (6352 mm) |
| Tack Angle | * 85.88 ° |
| Diagonal | 21 ft - (6401 mm) |
| Head (inches) | * 3.5 in - (89 mm) |
| Area | * 82.34 ft² |
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Springbank 15 (SBK 15) - JIBSAIL
| Luff | * 13.97 ft - (4258 mm) |
|---|---|
| Foot | * 9.9 ft - (3018 mm) |
| Leech | * 11.5 ft - (3505 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 8.05 ft - (2454 mm) |
| Deck Angle | * 11.95 ° |
| Area | * 56.24 ft² |
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Springbank 15 (SBK 15) - GENOA
| Luff | * 16.59 ft - (5057 mm) |
|---|---|
| Foot | * 11.85 ft - (3612 mm) |
| Leech | * 15.28 ft - (4657 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 10.5 ft - (3200 mm) |
| Deck Angle | * 3.97 ° |
| Area | * 87.11 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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