Moth Classic
Description
The Classic Moth (often just called Classic Moth or part of the Classic Moth class) is a small, fast, singlehanded development-class sailing dinghy with roots dating back to the late 1920s in the US. It originated as a home-built, planing sailboat under early International Moth rules, but the "Classic" variant revives and restricts designs to pre-1969 (or similar era) rules—emphasizing traditional, non-foiling, low-rider configurations before the class evolved into the extreme modern foiling International Moths seen in today's high-performance racing. The class was pioneered in the US (e.g., by Joel Van Sant in North Carolina around 1929), with many early boats homebuilt from wood. The Classic Moth Boat Association (CMBA) governs the modern revival, promoting development within tight rules to keep boats fun, affordable, and challenging without becoming "freakish" foilers. It's divided into divisions like Gen I (1950s–1960s era designs, often more stable) and Gen II (max-performance under classic rules, more demanding). These are exciting, rewarding boats—light, responsive, and capable of planing in a breeze—but they demand skill due to minimal stability and narrow hulls. They're popular for club racing, especially on the US East Coast, and appeal to wooden boat enthusiasts or those wanting a pure, minimalist sailing experience.
Construction Details
| Designer | Joel Van Sant |
|---|---|
| Builder | Home Built |
| Length | 11.000 ft |
| LOA | 11.000 ft |
| Beam | 5.000 ft |
| Displacement | 75 lb |
The standard boat dimensions
| i | - |
|---|---|
| j | - |
| p | 15 ft |
| e | 9 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| - | - | 15 ft | 9 ft | - | - | - | - |
Documents
Sails
Moth Classic - MAINSAIL
| Luff | * 15 ft - (4572 mm) |
|---|---|
| Foot | * 9 ft - (2743 mm) |
| Leech | * 17.02 ft - (5188 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 17.22 ft - (5249 mm) |
| Head (inches) | * 4 in - (102 mm) |
| Area | * 69.74 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.