SOUTHERLY 100

Main

Appendages
Swing Keel
Construction
FG
First built hull
1983
Hull type
Monohull
Last built hull
2003
Model
3GM20
Sailboat builder
Northshore Yachts
Sailboat designer
Carter/Northshore

Dimensions

Ballast Type
Iron/SS
Ballast weight
1999.0
Beam
3.12
Displacement
4513.0
Draft
1.78
Max Draft
1.78
Min Draft
0.69
Overall length
10.29
Waterline length
7.62

Sails

E
3.66
Est. Forestay Length
13.95
Fore area
25.85
I
13.41
J
3.86
Mainsail area
21.46
P
11.73
Total area
47.29

Engine

Engine(s) power
27.0
Engines amount
1
Fuel type
Diesel
Make
Yanmar

Performance

Ballast ratio
44.28
Capsize Screening Formula
1.91
Comfort Ratio
25.08
Critical hull speed
6.7
Displacement-length ratio (DLR)
284.29
Upwind sail area to displacement
17.66

Accomodation

The Southerly 100 is a sailing boat manufactured by Northshore Yachts, a British boatbuilder. It is a compact and versatile yacht designed for cruising and offshore sailing. Here are some key features and characteristics of the Southerly 100:

1. Design: The Southerly 100 features a modern and sleek design with a raised deck saloon, providing excellent visibility and natural light in the interior. It has a moderate displacement hull with a shallow draft, making it suitable for both coastal and offshore cruising.

2. Swing Keel: One of the standout features of the Southerly 100 is its swing keel system. It allows the keel to be raised or lowered hydraulically, providing variable draft options ranging from 2'10" (0.86m) to 6'3" (1.91m). This feature enables the boat to access shallow anchorages and explore areas that are inaccessible to deeper-draft vessels.

3. Interior: The interior of the Southerly 100 is designed to maximize comfort and functionality. The raised deck saloon provides panoramic views and ample headroom, creating a spacious and airy living area. It typically accommodates up to six people in two cabins, with a well-equipped galley, a comfortable saloon, and a separate navigation station.

4. Performance: The Southerly 100 offers good sailing performance, combining stability and speed. Its swing keel design allows for efficient upwind sailing and improved stability when the keel is lowered. The boat is also equipped with a powerful rig and a self-tacking jib system, making it easy to handle and maneuver.

5. Construction: The Southerly 100 is built using high-quality materials and construction techniques. The hull is typically made of hand-laid fiberglass with a balsa core, providing strength and insulation. The deck is also constructed with a non-slip finish for safety.

6. Options and Customization: The Southerly 100 offers various options and customization choices to suit individual preferences. Owners can select different interior layouts, finishes, and equipment to personalize their boat. This flexibility allows for a tailored sailing experience.

Overall, the Southerly 100 is a well-designed and versatile sailing boat that offers a combination of performance, comfort, and adaptability. Its swing keel system and spacious interior make it an excellent choice for sailors looking to explore a wide range of cruising grounds.

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