G & S Berwick 30
Description
The G & S Berwick 30 (also listed as G&S Berwick 30 or simply tied to the Graham & Schlageter designs) appears to be a rare or variant production version of the G&S 30, an American International Offshore Rule (IOR) Half Ton class racer designed by the Chicago-based firm Graham & Schlageter (G&S) in the late 1970s, with some hulls built by Berwick Yacht (near Ottawa, Canada) or similar small yards as a semi-custom or limited-production model around 1979–1980s. This fractional sloop rig design emphasizes lightweight performance with a fin keel and spade rudder, offering sharp upwind pointing, good planing potential downwind, and lively handling in moderate to fresh conditions—ideal for club racing or fast coastal passages, though with minimal cruising accommodations (basic interior for 2–4 people day/overnight use).
Construction Details
| Designer | Graham and Schlageter |
|---|---|
| Builder | Berwick Yacht (near Ottawa, Canada) |
| Length | 30.000 ft |
| LOA | 30.000 ft |
| LWL | 23.000 ft |
| Beam | 9.670 ft |
| Max Draft | 5.300 ft |
| Year Built | 1979 |
The standard boat dimensions
| i | 42.90 ft |
|---|---|
| j | 10 ft |
| p | 38 ft |
| e | 13.90 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 42.90 ft | 10 ft | 38 ft | 13.90 ft | - | - | - | - |
Sails
G & S Berwick 30 - MAINSAIL
| Luff | * 38 ft - (11582 mm) |
|---|---|
| Foot | * 13.9 ft - (4237 mm) |
| Leech | * 39.83 ft - (12140 mm) |
| Tack Angle | * 87.98 ° |
| Diagonal | * 40 ft - (12192 mm) |
| Head (inches) | * 6 in - (152 mm) |
| Area | 263.79 ft² |
| Edit in Calculator |
G & S Berwick 30 - JIBSAIL
| Luff | * 35.24 ft - (10741 mm) |
|---|---|
| Foot | * 12.7 ft - (3871 mm) |
| Leech | * 31.99 ft - (9751 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 11.5 ft - (3505 mm) |
| Deck Angle | * 12 ° |
| Area | 202.63 ft² |
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G & S Berwick 30 - GENOA
| Luff | * 41.85 ft - (12756 mm) |
|---|---|
| Foot | * 15.7 ft - (4785 mm) |
| Leech | * 40.14 ft - (12235 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 15 ft - (4572 mm) |
| Deck Angle | * 4 ° |
| Area | 313.98 ft² |
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G & S Berwick 30 - SPINNAKER
| Stays | * 41.85 ft - (12756 mm) |
|---|---|
| MidGirth | * 18 ft - (5486 mm) |
| Foot | * 18 ft - (5486 mm) |
| Perc LP | * 180 % |
| Area | 640.31 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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