International Tempest
Description
The International Tempest is a 22-foot (6.7 m) high-performance, two-person keelboat designed in 1965 by Ian Howlett as a potential Olympic class and still actively raced worldwide. With its distinctive cold-moulded mahogany or modern GRP hull, narrow beam (under 2 m), deep fin keel (1.2 m draft), and large, fully battened mainsail paired with a working jib and spinnaker on a fractional rig carrying roughly 28 m² upwind, the Tempest is renowned for its exhilarating speed, sensitivity to trim and weight placement, and demanding yet rewarding handling—especially in a breeze where hiking straps and trapeze (for the crew) become essential. Originally selected for the 1972 and 1976 Olympics (where it was ultimately replaced by the 470), it remains a thriving international one-design class with strong fleets in Germany, France, Switzerland, Austria, and North America, prized by skilled sailors for its tactical racing, planing performance downwind, and classic lines that combine 1960s elegance with genuine competitiveness more than half a century later.
The standard boat dimensions
| i | - |
|---|---|
| j | - |
| p | - |
| e | - |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| - | - | - | - | - | - | - | - |
Sails
International Tempest - MAINSAIL
| Luff | 25 ft - (7620 mm) |
|---|---|
| Foot | 11.09 ft - (3380 mm) |
| Leech | * 26.99 ft - (8227 mm) |
| Tack Angle | * 89.33 ° |
| Diagonal | 27.23 ft - (8300 mm) |
| Head (inches) | 5 in - (127 mm) |
| Area | * 143.24 ft² |
| Edit in Calculator | |
International Tempest - JIBSAIL
| Luff | 20.93 ft - (6379 mm) |
|---|---|
| Foot | 8.17 ft - (2490 mm) |
| Leech | 19.61 ft - (5977 mm) |
| Length Perpendicular | * 7.65 ft - (2332 mm) |
| Area | * 80.04 ft² |
| Edit in Calculator | |
International Tempest - SPINNAKER
| Stays | 21.98 ft - (6700 mm) |
|---|---|
| MidGirth | 13.124 ft - (4000 mm) |
| Foot | 14.43 ft - (4398 mm) |
| Area | * 270 ft² |
| Edit in Calculator | |
International Tempest - SPINNAKER
| Stays | 19.68 ft - (5998 mm) |
|---|---|
| MidGirth | 13.12 ft - (3999 mm) |
| Foot | 14.1 ft - (4298 mm) |
| Area | * 236 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.