Moth International
Description
The International Moth (commonly called the International Moth or simply Moth) is one of the most extreme and innovative singlehanded development-class sailing dinghies in the world. Originating in the late 1920s (with roots in Australia and the US as a simple, home-built planing boat), it has evolved dramatically since the early 2000s into a high-performance hydrofoiling platform. Today, top-tier racing Moths are foiling machines capable of sustained speeds over 30–40 knots, redefining what's possible in small-boat sailing through minimal restrictions that encourage cutting-edge design and technology. Unlike the Classic Moth (which adheres to pre-1969 rules for traditional low-rider, non-foiling designs with more stability and affordability), the modern International Moth is an open development class under World Sailing rules. Virtually anything is allowed unless explicitly banned—no weight minimums, advanced materials (carbon fiber everywhere), hydrofoils (daggerboard/centerboard foils + rudder T-foil), wand systems for automatic ride height control, and more. This has made it the proving ground for foiling tech that influenced everything from the America's Cup to Olympic classes.
Construction Details
| Designer | Unknown |
|---|---|
| Builder | Mach 2 by McConaghy/MacDougall |
| Length | 14.290 ft |
| LOA | 14.290 ft |
| Beam | 7.380 ft |
| Year Built | 2000 |
The standard boat dimensions
| i | - |
|---|---|
| j | - |
| p | 17 ft |
| e | 7.50 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| - | - | 17 ft | 7.50 ft | - | - | - | - |
Sails
Moth International - MAINSAIL
| Luff | 17 ft - (5182 mm) |
|---|---|
| Foot | 7.5 ft - (2286 mm) |
| Leech | * 18.17 ft - (5538 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 18.34 ft - (5590 mm) |
| Head (inches) | * 3.5 in - (89 mm) |
| Area | * 65.87 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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