Bostrom 31 Mk Ii
Description
The Bostrom 31 MK II is a mid-sized cruiser. She combines good sailing performance with comfortable accommodations, Her generous sail plan delivers excellent light-air performance. A capable coastal cruiser with the ability to handle longer passages comfortably.
Construction Details
| Designer | Unknown |
|---|---|
| Length | 31.000 ft |
| LOA | 30.610 ft |
| LWL | 25.980 ft |
| Beam | 9.060 ft |
| Displacement | 7275 lb |
| Max Draft | 5.910 ft |
The standard boat dimensions
| i | 37.40 ft |
|---|---|
| j | 11.98 ft |
| p | 31.82 ft |
| e | 9.19 ft |
| p2 | - |
| e2 | - |
| I | J | P | E | P2 | E2 |
|---|---|---|---|---|---|
| 37.40 ft | 11.98 ft | 31.82 ft | 9.19 ft | - | - |
Sails
| Sail Type | MAINSAIL |
|---|---|
| Luff | * 31.82 ft - (9699 mm) |
| Foot | * 9.19 ft - (2801 mm) |
| Leech | * 32.63 ft - (9946 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 32.81 ft - (10000 mm) |
| Head (inches) | * 4 in - (102 mm) |
| Area | * 150.71 ft² |
| Sail Type | JIBSAIL |
|---|---|
| Luff | * 31.42 ft - (9577 mm) |
| Foot | * 15.87 ft - (4837 mm) |
| Leech | * 27.28 ft - (8315 mm) |
| Percentage LP | * 115.03 % |
| Length Perpendicular | * 13.78 ft - (4200 mm) |
| Deck Angle | * 11.99 ° |
| Area | * 216.46 ft² |
| Sail Type | GENOA |
|---|---|
| Luff | * 37.31 ft - (11372 mm) |
| Foot | * 19.35 ft - (5898 mm) |
| Leech | * 35.08 ft - (10692 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 17.97 ft - (5477 mm) |
| Deck Angle | * 4.02 ° |
| Area | * 335.2 ft² |
| Sail Type | GENOA |
|---|---|
| Luff | 36.5 ft - (11125 mm) |
| Foot | 16.75 ft - (5105 mm) |
| Leech | 34 ft - (10363 mm) |
| Percentage LP | * 129.72 % |
| Length Perpendicular | * 15.54 ft - (4737 mm) |
| Deck Angle | * 4.18 ° |
| Area | * 283.55 ft² |
| Sail Type | ASYMMETRICAL |
|---|---|
| Luff | * 37.31 ft - (11372 mm) |
| Foot | * 19.77 ft - (6026 mm) |
| Leech | * 34.33 ft - (10464 mm) |
| Perc LP | * 165 % |
| Area | * 553 ft² |
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.