Seidelmann 30-T
Description
The Seidelmann 30-T (the “T” stands for Tall Rig) is one of Bob Seidelmann’s most popular mid-size designs — a performance-oriented 30-foot cruiser/racer built by Seidelmann Yachts (New Jersey, USA) in the late 1970s through mid-1980s. It evolved from the original Seidelmann 30, with a taller mast and larger sail area to improve light-air performance. Like other Seidelmanns, it features a masthead sloop rig, fin keel, and spade rudder, emphasizing speed, responsive handling, and reasonably comfortable accommodations. The blend of stability, interior volume, and sprightly performance made it a favorite for weekend racers and coastal cruisers alike.
Construction Details
| Designer | J. Robert Seidelmann |
|---|---|
| Builder | Seidelmann Yachts |
| Length | 30.000 ft |
| LOA | 29.920 ft |
| LWL | 24.000 ft |
| Beam | 12.000 ft |
| Displacement | 8800 lb |
| Ballast | 3600 lb |
| Max Draft | 5.420 ft |
| Year Built | 1979 |
The standard boat dimensions
| i | 39 ft |
|---|---|
| j | 12 ft |
| p | 33 ft |
| e | 11.50 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 39 ft | 12 ft | 33 ft | 11.50 ft | - | - | - | - |
Sails
Seidelmann 30-T - MAINSAIL
| Luff | * 33 ft - (10058 mm) |
|---|---|
| Foot | * 11.5 ft - (3505 mm) |
| Leech | * 34.42 ft - (10491 mm) |
| Tack Angle | * 87.97 ° |
| Diagonal | * 34.56 ft - (10534 mm) |
| Head (inches) | * 5.25 in - (133 mm) |
| Area | 189.53 ft² |
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Seidelmann 30-T - JIBSAIL
| Luff | * 32.64 ft - (9949 mm) |
|---|---|
| Foot | * 15.79 ft - (4813 mm) |
| Leech | * 28.52 ft - (8693 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 13.8 ft - (4206 mm) |
| Deck Angle | * 12 ° |
| Area | 225.16 ft² |
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Seidelmann 30-T - GENOA
| Luff | * 38.76 ft - (11814 mm) |
|---|---|
| Foot | * 19.29 ft - (5880 mm) |
| Leech | * 36.55 ft - (11140 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 18 ft - (5486 mm) |
| Deck Angle | * 4 ° |
| Area | 348.75 ft² |
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Seidelmann 30-T - ASYMMETRICAL
| Luff | * 38.76 ft - (11814 mm) |
|---|---|
| Foot | * 19.8 ft - (6035 mm) |
| Leech | * 35.66 ft - (10869 mm) |
| Perc LP | * 165 % |
| Area | * 575.59 ft² |
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Seidelmann 30-T - SPINNAKER
| Stays | * 38.76 ft - (11814 mm) |
|---|---|
| MidGirth | * 21.6 ft - (6584 mm) |
| Foot | * 21.6 ft - (6584 mm) |
| Perc LP | * 180 % |
| Area | 711.63 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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