The Southerly 115 is a versatile and seaworthy cruising sailboat that features a unique swing keel system that allows it to sail in shallow waters and dry out on the beach. Designed by Dick Carter and Rob Humphreys, the Southerly 115 was produced by Northshore Yachts of Chichester, England, from 1983 to 2011.
The boat has a spacious centre cockpit, a comfortable interior layout, and a range of rig and sail options to suit different sailing preferences. It is a popular choice for sailors who want to explore remote and varied cruising grounds without compromising on performance or comfort.
Shown above and described below is the single-rudder MkII version, unlike versions III and IV with twin rudders which enabled the boat to dry-out upright.
Underwater Profile: Swing keel
Hull Material: GRP (Fiberglass)
Length Overall: 36'10" (11.2m)
Waterline Length: 27'6" (8.40)
Beam: 11'11" (3.6m)
Draft: 2'3" (0.7m) with keel up; 8'1" (2.46 m) with keel down
Rig Type: Masthead sloop
Displacement: 15,215lb (6,902kg)
Designer: Dick Carter
Builder: Northshore Yachts (UK)
Year First Built: 1983
Owners Association: Southerly Owners Association
1. Sail Area/Displacement Ratio: 10.0
2. Ballast/Displacement Ratio: 49.9
3. Displacement/Length Ratio: 327
4. Comfort Ratio: 28.6
5. Capsize Screening Formula: 1.9
Based on the published design ratios for the Southerly 115, how is the boat likely to perform under sail?
Based on these ratios, the Southerly 115 can be classified as a heavy displacement cruising boat with moderate sail area and high stability. The boat is likely to perform well in strong winds and rough seas, but may be slower and less responsive in light airs. The boat has a good balance of speed and comfort, and can handle a variety of sailing conditions.
Is the Southerly 115 still in production and, if not, when did production end and how many of these sailboats were built?
The Southerly 115 is no longer in production. The last model was built in 2011, when Northshore Yachts ceased trading due to financial difficulties. According to the Southerly Owners Association, a total of 224 Southerly 115 boats were built over four generations: Mk I (1983-1988), Mk II (1988-1994), Mk III (1994-2005), and Mk IV (2005-2011).
What, if any, alternative versions of the Southerly 115 were built and what are the differences between them?
The Southerly 115 underwent several changes and improvements over its production history, resulting in four distinct versions:
How many people can sleep on board a Southerly 115?
The Southerly 115 can sleep up to eight people on board, depending on the model and configuration. The boat has three cabins that can accommodate six people in double berths, plus two more people in the saloon that can be converted into single berths.
How did the sailing press review the Southerly 115?
The Southerly 115 received mostly positive reviews from the sailing press, praising its versatility, performance, and comfort. Here are some excerpts from some of the reviews:
What do owners of the Southerly 115 have to say about their boats?
Owners of the Southerly 115 are generally very happy with their boats, and often share their experiences and adventures on blogs, forums, and social media. Here are some quotes from some of the owners:
What is the history of the builders of the Southerly 115 and is the company still in business?
The builders of the Southerly 115 were Northshore Yachts Ltd., a British company founded in 1971 by John Baker and Tom Richardson. The company started by building small sailing dinghies and later expanded to larger cruising yachts under the Southerly brand. The company was known for its innovative designs and high-quality craftsmanship, and became one of the leading manufacturers of swing keel sailboats in the world.
Unfortunately, Northshore Yachts went into administration in 2013 due to financial difficulties caused by the global recession and declining sales. The company was acquired by another British company called Discovery Yachts Group Ltd., which continued to produce some of the Southerly models under a new name: Discovery Swing Keel Yachts Ltd.
However, in 2019, Discovery Yachts Group also went into administration after facing legal disputes with some of its customers and suppliers. The company was taken over by another British company called Binti Marine Holdings Ltd., which currently owns the rights to the Southerly brand and plans to resume production of some of the models in the future.
Is the mast on the Southerly 115 deck-stepped or keel-stepped?
The mast on the Southerly 115 is deck-stepped on a stainless steel compression post that rests on a reinforced bulkhead below. This arrangement allows for easier maintenance and inspection of the mast base and wiring.
What keel options, if any, are available for the Southerly 115?
The Southerly 115 has a unique swing keel system that allows the boat to adjust its draft from 0.69 m (2 ft 3 in) to 2.46 m (8 ft 1 in) by using a hydraulic ram. The keel is made of cast iron and has a lead bulb at the bottom for extra stability. The keel can be raised or lowered by using a control panel in the cockpit or at the chart table. The boat also has an indicator gauge that shows the position of the keel at any time.
What is the average asking price of a secondhand Southerly 115?
The average asking price of a secondhand Southerly 115 depends on the model, condition, and equipment of the boat, as well as the location and market demand. According to YachtWorld, a global online marketplace for boats, the current range of prices for a used Southerly 115 is from £59,950 to £199,950, with an average of £114,950.
How does the Southerly 115 compare to other similar sailboats in its class?
The Southerly 115 is a unique sailboat in its class, as it offers the versatility of a swing keel system that enables it to sail in deep or shallow waters. There are not many other sailboats that have this feature, but some possible competitors are:
What other sailboats have been created by the designer of the Southerly 115?
The Southerly 115 was designed by two renowned naval architects: Dick Carter and Rob Humphreys.
Dick Carter was an American designer who was famous for his successful racing yachts in the 1960s and 1970s, such as Red Rooster, Rabbit, and Imp. He also designed several other cruising yachts for Northshore Yachts, such as the Southerly 100, 105, and 110.
Rob Humphreys is a British designer who is known for his innovative and versatile designs for various clients, such as Oyster Yachts, Elan Yachts, and Moody Yachts. He also designed several other models for Northshore Yachts, such as the Southerly 135, 38, and 47.
The above answers were drafted by sailboat-cruising.com using GPT-4 (OpenAI’s large-scale language-generation model) as a research assistant to develop source material; to the best of our knowledge, we believe them to be accurate.
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