J/37C
Description
The J/37C (1989–1991) is a 37′6″ high-performance cruiser-racer that many knowledgeable sailors regard as one of the finest big J/Boats ever drawn. Designed by Rod Johnstone a slippery, moderate-displacement hull (14,500 lb, with 5,700 lb lead ballast in a deep 7′ fin or optional 5.2' shoal keel) and a towering masthead rig. Below, the low-profile cabin conceals a surprisingly livable three-cabin, single-head layout with 6′3″ headroom, full galley, and nav station, making it a genuine offshore weapon that still cruised comfortably. Cockpit is pure race-oriented (all lines aft, huge wheel), yet the boat sails balanced and light on the helm even when pressed hard; PHRF ratings typically 60–72. Built like a tank by Tillotson-Pearson to ABS standards, it remains blisteringly quick against much newer 40-footers.
Construction Details
| Designer | Rod Johnstone |
|---|---|
| Builder | J/Boats |
| Length | 37.000 ft |
| LOA | 37.500 ft |
| LWL | 32.500 ft |
| Beam | 12.400 ft |
| Displacement | 14500 lb |
| Ballast | 5700 lb |
| Max Draft | 7.000 ft |
| Year Built | 1989 |
The standard boat dimensions
| i | 51.50 ft |
|---|---|
| j | 14.80 ft |
| p | 45 ft |
| e | 14.50 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 51.50 ft | 14.80 ft | 45 ft | 14.50 ft | - | - | - | - |
Sails
J/37C - MAINSAIL
| Luff | * 45 ft - (13716 mm) |
|---|---|
| Foot | * 14.5 ft - (4420 mm) |
| Leech | * 46.68 ft - (14228 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 46.79 ft - (14262 mm) |
| Head (inches) | * 4.5 in - (114 mm) |
| Area | * 334.394 ft² |
| Edit in Calculator |
J/37C - JIBSAIL
| Luff | * 42.86 ft - (13064 mm) |
|---|---|
| Foot | * 19.28 ft - (5877 mm) |
| Leech | * 37.85 ft - (11537 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 17.02 ft - (5188 mm) |
| Deck Angle | * 12 ° |
| Area | * 364.78 ft² |
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J/37C - GENOA
| Luff | * 50.9 ft - (15514 mm) |
|---|---|
| Foot | * 23.63 ft - (7202 mm) |
| Leech | * 48.22 ft - (14697 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 22.2 ft - (6767 mm) |
| Deck Angle | * 4 ° |
| Area | * 565 ft² |
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J/37C - ASYMMETRICAL
| Luff | * 50.9 ft - (15514 mm) |
|---|---|
| Foot | * 24.42 ft - (7443 mm) |
| Leech | * 46.83 ft - (14274 mm) |
| Perc LP | * 165 % |
| Area | * 932.23 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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