BOSTROM 31 MKII

Main

Appendages
Fin with rudder on skeg
Construction
FG
First built hull
1977
Hull type
Monohull
Last built hull
1984
Model
BOSTROM 31 MKII
Sailboat designer
Bruno Boström/Grandinsson

Dimensions

Ballast weight
1650.0
Beam
2.76
Displacement
3300.0
Draft
1.8
Max Draft
1.8
Overall length
9.33
Waterline length
7.92

Sails

E
2.8
Est. Forestay Length
11.97
Fore area
20.81
I
11.4
J
3.65
Mainsail area
13.58
P
9.7
Total area
34.37

Engine

Make
Yanmar

Performance

Ballast ratio
50.01
Capsize Screening Formula
1.87
Comfort Ratio
21.81
Critical hull speed
6.83
Displacement-length ratio (DLR)
185.21
Upwind sail area to displacement
15.82

Accomodation

The Bostrom 31 MKII is a sailing boat designed by renowned naval architect, Lars-Olof Norlin, and built by Bostrom Boats in Sweden. It is a popular cruising yacht known for its performance, comfort, and seaworthiness.

The Bostrom 31 MKII has a length overall (LOA) of 31 feet and a beam of 10.5 feet, making it a compact yet spacious vessel. It features a sleek and modern design with a moderate displacement hull, providing a good balance between speed and stability.

The boat's interior is well-designed and offers comfortable accommodations for extended cruising. It typically has a V-berth forward, a main saloon with settees that can convert into additional berths, a well-equipped galley, and a head with a shower. The interior is finished with high-quality materials and offers ample storage space for provisions and personal belongings.

In terms of performance, the Bostrom 31 MKII is known for its excellent sailing characteristics. It has a fractional rig with a large mainsail and a self-tacking jib, making it easy to handle even for single-handed sailing. The boat's deep fin keel and spade rudder provide good stability and maneuverability, allowing for precise control in various wind conditions.

The Bostrom 31 MKII is also equipped with a reliable auxiliary engine, typically a diesel inboard, which provides power when needed, especially in calm or adverse conditions. The boat has a fuel capacity of around 20-30 gallons, depending on the specific model.

Overall, the Bostrom 31 MKII is a well-regarded sailing boat that offers a combination of performance, comfort, and seaworthiness. It is suitable for both coastal cruising and longer offshore passages, making it a popular choice among sailors looking for a versatile and reliable yacht.

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