National 12 (dinghy)

The National 12 is a two-person, two-sail, twelve-foot (3.6 metre) long sailing dinghy. They are sailed extensively in the UK. The class was started in 1936 by the Royal Yachting Association as an alternative to the more expensive International 14s.

The rules limit the length of the boat to 12 ft, beam to 6 ft 6 in, an all up weight to 78 kg and a sail area of 10.4 m². National 12s are sailed on all types of water from narrow rivers to the open sea. The class holds a national championships on an annual basis – known as Burton Week after the premier prize of the week: The Sir William Burton Cup – at various venues around the UK coast.

The National 12 is a development class where within a set of rules (and with occasional considered changes to those rules) the boats have been able to evolve over time, moving from wood and clinker construction to high-performance glass and carbon fibre-foam composite boats. One of the most noticeable changes in the boats is the steady increase in beam over the history of the class – early examples were less than 5 ft while modern ones are usually at the maximum 6 ft 6 in to provide maximum righting moment for the crew. The Twelve has developed into a racing boat which performs well in all conditions being highly manouvreable and challenging to sail in windy weather.

N1 "Gipsy" was designed by Uffa Fox and launched at Cowes in April 1936. The Twelve proved extremely popular and by the first championships in September of that year over 150 boats had been built. Gipsy accepted honourable retirement at the former Exeter Maritime Museum as a landmark in dinghy sailing history. Although his design, the "Uffa King", was very successful Fox himself built only two boats, Anemone N452, and Westwind N456, the latter for Bruce Banks, later to become famous as a sailmaker, in whose hands the boat was successfully campaigned for more than a decade, winning the Burton Cup both in 1939 and again in 1950. Westwind is now in the collection of the National Maritime Museum Cornwall

From 1936 to the present day the class has continued to develop. Rule changes have been made where necessary, for example, a minimum width rule was introduced in 1937, and a maximum width in 1980. Clinker construction went out in 1970 with the development of GRP hulls and 'four plank' wooden construction.

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Wikipedia