S2 7.9 Meter (Grand Slam)
Description
The S2 7.9 (also known as the S2 7.9 Meter or S2 26) is a high-performance one-design racer-cruiser designed by Graham & Schlageter (G&S) and built by S2 Yachts in Holland, Michigan, from 1981 to 1986. Approximately ~500 units were produced as part of S2's Grand Slam series, targeting the Midget Ocean Racing Club (MORC) rule while offering light cruising capability. The "7.9" reflects its length in meters (26 feet LOA), and it's celebrated for its planning hull, fractional rig, and responsive handling—a favorite in one-design fleets across the U.S. (Great Lakes, Florida, West Coast). The S2 7.9 Class Association (s79.org) remains active with national championships, PHRF ratings of ~168–180, and a reputation as one of the best 26-footers ever built.
Construction Details
| Designer | Graham and Schlageter |
|---|---|
| Builder | S2 Yachts |
| Length | 26.000 ft |
The standard boat dimensions
| i | 30.50 ft |
|---|---|
| j | 9.50 ft |
| p | 29.42 ft |
| e | 12.25 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 30.50 ft | 9.50 ft | 29.42 ft | 12.25 ft | - | - | - | - |
Documents
Sails
| Sail Type | MAINSAIL |
|---|---|
| Luff | 29.42 ft - (8967 mm) |
| Foot | 12.25 ft - (3734 mm) |
| Leech | * 31.22 ft - (9516 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 31.47 ft - (9592 mm) |
| Head (inches) | * 5.25 in - (133 mm) |
| Area | * 185.72 ft² |
| Sail Type | JIBSAIL |
|---|---|
| Luff | 30.75 ft - (9373 mm) |
| Foot | 10.92 ft - (3328 mm) |
| Leech | 27.95 ft - (8519 mm) |
| Percentage LP | * 104.21 % |
| Length Perpendicular | * 9.9 ft - (3018 mm) |
| Deck Angle | * 7.68 ° |
| Area | * 152.19 ft² |
| Sail Type | JIBSAIL |
|---|---|
| Luff | * 25.56 ft - (7791 mm) |
| Foot | * 12.53 ft - (3819 mm) |
| Leech | * 22.3 ft - (6797 mm) |
| Percentage LP | * 115.05 % |
| Length Perpendicular | * 10.93 ft - (3331 mm) |
| Deck Angle | * 11.95 ° |
| Area | * 139.71 ft² |
| Sail Type | GENOA |
|---|---|
| Luff | 30.42 ft - (9272 mm) |
| Foot | 15.67 ft - (4776 mm) |
| Leech | 29 ft - (8839 mm) |
| Percentage LP | * 154.74 % |
| Length Perpendicular | * 14.7 ft - (4481 mm) |
| Deck Angle | * 2.95 ° |
| Area | * 223.61 ft² |
| Sail Type | GENOA |
|---|---|
| Luff | * 30.35 ft - (9251 mm) |
| Foot | * 15.29 ft - (4660 mm) |
| Leech | * 28.61 ft - (8720 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 14.25 ft - (4343 mm) |
| Deck Angle | * 3.95 ° |
| Area | * 216.25 ft² |
| Sail Type | GENOA |
|---|---|
| Luff | 29 ft - (8839 mm) |
| Foot | 13.83 ft - (4215 mm) |
| Leech | 27.083 ft - (8255 mm) |
| Percentage LP | * 135.05 % |
| Length Perpendicular | * 12.83 ft - (3911 mm) |
| Deck Angle | * 4.57 ° |
| Area | * 186.1 ft² |
| Sail Type | ASYMMETRICAL |
|---|---|
| Luff | * 30.35 ft - (9251 mm) |
| Foot | * 15.68 ft - (4779 mm) |
| Leech | * 27.92 ft - (8510 mm) |
| Perc LP | * 165 % |
| Area | * 357 ft² |
| Sail Type | ASYMMETRICAL |
|---|---|
| Luff | 31.5 ft - (9601 mm) |
| Foot | 16.83 ft - (5130 mm) |
| Leech | 29.25 ft - (8915 mm) |
| Perc LP | * 165 % |
| Area | * 398 ft² |
| Sail Type | SPINNAKER |
|---|---|
| Stays | 30.35 ft - (9251 mm) |
| MidGirth | 16.83 ft - (5130 mm) |
| Foot | 17 ft - (5182 mm) |
| Perc LP | * 180 % |
| Area | * 439 ft² |
| Sail Type | STORMJIB |
|---|---|
| Luff | * 17.57 ft - (5355 mm) |
| Foot | * 7.07 ft - (2155 mm) |
| Leech | * 13.83 ft - (4215 mm) |
| Perc LP | * 54.95 % |
| Length Perp | * 5.22 ft - (1591 mm) |
| Deck Angle | * 25.07 ° |
| Area | * 45.89 ft² |
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.