Newport 31
Description
The Newport 31 is a compact American fiberglass cruiser built by Capital Yachts Inc. in Harbor City, California, designed by renowned naval architect Gary Mull. Production was short-lived, starting in 1987 and ending the same year (or possibly extending slightly into 1988 based on surviving examples), with a limited run (likely low hundreds of hulls, given the brief production and rarity compared to longer Newport series like the 30 or 28). It features a masthead sloop rig, fin keel with spade rudder for balanced handling and good upwind performance, solid GRP construction emphasizing spacious interior volume for its size (stand-up headroom ~6 ft, 4–6 berths including V-forward, settees, quarter berth, galley, heads, and decent storage/tankage), inboard auxiliary (often diesel, e.g., 18 hp Universal or similar), and a reputation as a forgiving, stable coastal cruiser with solid cruising amenities—roomy, easy to sail, and well-suited for family weekend/overnight trips or light offshore use, though not a heavy bluewater boat (Capsize Screening ~2.0 range).
Construction Details
| Designer | Gary Mull |
|---|---|
| Builder | Capital Yachts (California) |
| Length | 30.670 ft |
| LOA | 30.670 ft |
| LWL | 27.000 ft |
| Beam | 10.670 ft |
| Displacement | 8500 lb |
| Ballast | 2600 lb |
| Max Draft | 5.500 ft |
| Year Built | 1987 |
The standard boat dimensions
| i | 40 ft |
|---|---|
| j | 12.67 ft |
| p | 34 ft |
| e | 10.25 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 40 ft | 12.67 ft | 34 ft | 10.25 ft | - | - | - | - |
Documents
Sails
Newport 31 - MAINSAIL
| Luff | * 34 ft - (10363 mm) |
|---|---|
| Foot | * 10.25 ft - (3124 mm) |
| Leech | * 34.97 ft - (10659 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 35.17 ft - (10720 mm) |
| Head (inches) | * 4.5 in - (114 mm) |
| Area | * 179.71 ft² |
| Edit in Calculator |
Newport 31 - JIBSAIL
| Luff | * 33.57 ft - (10232 mm) |
|---|---|
| Foot | * 16.75 ft - (5105 mm) |
| Leech | * 29.2 ft - (8900 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 14.57 ft - (4441 mm) |
| Deck Angle | * 11.99 ° |
| Area | * 244.54 ft² |
| Edit in Calculator |
Newport 31 - GENOA
| Luff | * 39.86 ft - (12149 mm) |
|---|---|
| Foot | * 20.45 ft - (6233 mm) |
| Leech | * 37.5 ft - (11430 mm) |
| Percentage LP | * 150.04 % |
| Length Perpendicular | * 19.01 ft - (5794 mm) |
| Deck Angle | * 4.05 ° |
| Area | * 378.89 ft² |
| Edit in Calculator |
Newport 31 - ASYMMETRICAL
| Luff | 40 ft - (12192 mm) |
|---|---|
| Foot | 21.5 ft - (6553 mm) |
| Leech | 39 ft - (11887 mm) |
| Perc LP | * 165 % |
| Area | * 645 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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