Supercat 20
Description
Supercat 20 (also styled SuperCat 20 or SC20) is a high-performance 20-foot beach catamaran designed primarily by Bill Roberts (with some references to Steve Edmunds or Formula Catamarans input). It was introduced in 1980 and built by Formula Catamarans (later associated with Boston Whaler) in the USA. Production was limited, making these boats relatively rare today, but they have a dedicated following among vintage beach cat enthusiasts. It was created as a fast, exciting daysailer with innovative features for its time, including patented elliptical hull shapes aimed at reducing pitchpoling tendency and improving overall handling. The Supercat line (including 15, 17, and 20 models) emphasized performance while incorporating unique design elements like a rotating spar on some rigs.
Construction Details
| Designer | Bill Roberts |
|---|---|
| Builder | Formula Catamarans |
| Length | 20.000 ft |
| LOA | 20.000 ft |
| LWL | 19.000 ft |
| Beam | 12.000 ft |
| Displacement | 450 lb |
| Max Draft | 3.500 ft |
| Min Draft | 0.500 ft |
| Year Built | 1980 |
The standard boat dimensions
| i | - |
|---|---|
| j | - |
| p | 31 ft |
| e | 9 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| - | - | 31 ft | 9 ft | - | - | - | - |
Documents
Sails
Supercat 20 - MAINSAIL
| Luff | * 31 ft - (9449 mm) |
|---|---|
| Foot | * 9 ft - (2743 mm) |
| Leech | * 31.8 ft - (9693 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 31.98 ft - (9748 mm) |
| Head (inches) | * 4 in - (102 mm) |
| Area | * 143.89 ft² |
| Edit in Calculator |
Supercat 20 - GENOA
| Luff | 18.42 ft - (5614 mm) |
|---|---|
| Foot | 6.33 ft - (1929 mm) |
| Leech | 17.58 ft - (5358 mm) |
| Length Perpendicular | 6.04 ft - (1841 mm) |
| Area | * 55.59 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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