Mariner 47 Ketch
Description
The Mariner 47 Ketch (also known as the Mariner 47 (Brewer)) is a heavy-displacement bluewater cruiser designed by Edward S. Brewer and built by Mariner Yacht Co. (USA) starting in the late 1970s, with only about 7–8 hulls produced before the company went out of business (later, around 6 more were completed and sold as the Islander 48C). It features robust fiberglass construction, a fin keel with rudder on skeg for balanced handling and protection, a traditional ketch rig for versatile short-handed sail handling in heavy weather, and a spacious, comfortable interior suited for extended offshore cruising or liveaboard use—prized for its exceptional heavy-duty build, stable predictable motion in rough conditions, and proven seaworthiness.
Construction Details
| Designer | Edward S. Brewer |
|---|---|
| Builder | Mariner Yacht Co. (USA) |
| Length | 47.000 ft |
| LOA | 47.000 ft |
| LWL | 37.000 ft |
| Beam | 13.500 ft |
| Displacement | 29000 lb |
| Max Draft | 6.000 ft |
| Year Built | 1979 |
The standard boat dimensions
| i | 54 ft |
|---|---|
| j | 19.25 ft |
| p | 48 ft |
| e | 15 ft |
| p2 | 30.30 ft |
| e2 | 9.50 ft |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 54 ft | 19.25 ft | 48 ft | 15 ft | 30.30 ft | 9.50 ft | - | - |
Sails
Mariner 47 Ketch - MAINSAIL
| Luff | * 48 ft - (14630 mm) |
|---|---|
| Foot | * 15 ft - (4572 mm) |
| Leech | * 49.64 ft - (15130 mm) |
| Tack Angle | * 88.01 ° |
| Diagonal | * 49.79 ft - (15176 mm) |
| Head (inches) | * 6 in - (152 mm) |
| Area | 359.63 ft² |
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Mariner 47 Ketch - JIBSAIL
| Luff | * 45.86 ft - (13978 mm) |
|---|---|
| Foot | * 26 ft - (7925 mm) |
| Leech | * 39.1 ft - (11918 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 22.14 ft - (6748 mm) |
| Deck Angle | * 12 ° |
| Area | 507.66 ft² |
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Mariner 47 Ketch - GENOA
| Luff | * 54.46 ft - (16599 mm) |
|---|---|
| Foot | * 31.52 ft - (9607 mm) |
| Leech | * 50.83 ft - (15493 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 28.88 ft - (8803 mm) |
| Deck Angle | * 4 ° |
| Area | 786.37 ft² |
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Mariner 47 Ketch - MIZZEN
| Luff | * 30.3 ft - (9235 mm) |
|---|---|
| Foot | * 9.5 ft - (2896 mm) |
| Leech-AftHdBd | * 31.33 ft - (9549 mm) |
| Tack Ang | * 88.02 ° |
| Diag (clew/head) | * 31.44 ft - (9583 mm) |
| Head (inches) | * 4.5 in - (114 mm) |
| Area (no Roach) | 143.77 ft² |
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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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