Tuning your boat

Looking back in time

This video shows the 1967 A and B class trials - worth a look!



Picture Gallery

explore some of our great images from past events, select the strip which shows pics of the event you want to look at and have fun!










Hall of Fame


Unicorn Hall of Fame


ALL TIME CHAMPION with 16 National Wins

  • Gary Piper in 1996, 1997, 1998, 1999, 2003, 2005, 2006, 2007, 2008 , 2010 , 2011 , 2012 , 2013 ,2014,2017,2018,
With 13 National Championships
  • John Wright in 1972, 1974, 1976, 1977, 1978, 1980, 1981, 1982, 1983, 1984, 1985, 1987 & 1988
With 7 National Championships
  • D Jarman 1993, 2000, 2001,  2002, 2019, 2020 and 2021

With 5 National Championships

  • Bob Dorks in 1973, 1989, 1990, 1991 & 2004

With 2 national Championships each:

  • R J Bond in 1969 & 1970

  • G Hutchings in 1971 & 1975

  • S P Bulgen in 1986 & 1992

  • W Dawson in 1994 & 1995

With 1 National Championship

  • Owen Cox in 2016
  • S Pooley in 2015
  • P Toft in 2009

  • P Jarman in 1979

National Champions by Year

2021 Dan Jarman

2020 Dan Jarman

2019 Dan Jarman

2018 Gary Piper 

2017 Gary Piper

2016 Owen Cox

2015 Steve Pooley

2014 Gary Piper

2013 Gary Piper

2012 Gary Piper

2011 Gary Piper

2010 Gary Piper

2009 Peter Toft

2005-8 Gary Piper

2004 Bob Dorks

2003 Gary Piper

2000-2 Dan Jarman

1996-9 Gary Piper

1994-5 William Dawson

1993 Dan Jarman

1992 Steve Bulgen

1989-91 Bob Dorks

1987-8 John Wright

1986 Steve Bulgen

1980-5 John Wright

1979 Phil Jarman

1976-8 John Wright

1975 G Hutchings

1974 John Wright

1973 Bob Dorks

1972 John Wright

1971 G Hutchings

1969-70 R Bond

Links to Websites

There are articles and content useful to Unicorn helms on the following sites:

  • site 1 ...
  • site 2 ...
  • site 3 ...
  • site 4 ...

History of the Unicorn

  • John Mazzotti came up with the unique tortured ply construction technique in 1964 that allowed the perfect high strength, light weight hull construction for catamarans. He began his experiments in 1964 the the B class Manta and when the IYRU laid down the specification for the A class in 1966, Mazzotti came up with the mythical beast, the Unicorn. She won the RYA trials convincingly in 1967 and came close to being selected as the boat of choice by the IYRU for the International A class
  • The design took the catamaran world by storm, by the end of 1967 the boat had won every major A class event and had proved to be the fastest A class in the UK and the most stable throughout the world in all weathers.
  • By the summer of 1968 there were over 150 boats registered, 70 in the UK, 50 in Canada, 15 in the US with smaller numbers in Belgium, Sweden, Australia, Germany and South Africa.
  • Trowbridge and Sons became the official builders at the outset, building boats in wood and fibreglass as well as providing kits for home construction. The kit in 1968 was £198-8-0!!! Later South Midland Marine, South Midlands Laminates and Condor Catamarans Ltd joined those providing ready built boats and kits.
  • Rarely has a boat been designed so perfectly straight out the box. Over the last forty years the changes have proved to be relatively minor - this design is just outstandingly good for high performance sailing in all weather conditions
  • In the 80’s, Roger Dewen, an A class specialist designed a modified hull that was within the class templates. This hull design has more buoyancy in the bow and more rocker, these features allow the boat to be pushed even harder before submarining and allow more efficient tacking. He also experimented very successfully with a ‘knuckle’ on the keel line that allowed the boat to skim over the surface, almost a planing effect. This design (built in hull 1011) won the 1981 A class European Championships and the design has been adopted by Gary Piper in his fine boats.
  • The majority of boats over the years have been home built to varying quality. Unfortunately this gave a reputation of the boat being fragile
  • This is so far from the truth for a boat built professionally or to the proper standard. These boats will take the huge rig pressures of a high performance cat and absorb the rough and tumble of capsize, cartwheel and nose diving in their stride.
  • Gary Piper, son of a master craftsman woodworker became fascinated by the wooden boats in the 1980’s. As well as sailing he began building them to a very high standard. He now builds a new boat most years and will build to order, using the Dewen hull design.
  • If you need to be convinced about the performance of the Unicorn , check out the 2003 Rounde om Texel results. Dan Jarman, on his first visit to the great event finished 1st single hander on the water, 2nd on corrected time, 37th overall out of over 500 boats.


  • Latest News June 2014

    The Unicorn web site became vulnerable to virus attacks and it was deemed best practise to relaunch it on a safer platform. I am pleased to advise you that this has now been completed and the site is operational once again. There is still work to carry out getting all the files and photographs in their correct category, to enable them to be located quickly. As we are in the middle of the sailing season it is important to keep Members up-to-date on events which have taken place and are scheduled for the future.

    Unicorn Travellers Trophy 2014

    Two events have been held, Bala and Rutland, which were attended by Owen Cox and Matthew Stevenson. I understand that the sailing was good but no official report or results have been received to date. The next event was to be at Stone 28 - 29th June but is now CANCELLED due to some confusion over whether Unicorns should compete directly with A Class boats. For next year this has to be resolved, and if Unicorns require their own start this can be built into the event. Unicorn Sailors are always welcome at Stone but the race Committee require specific plans in good time to support the event. 

     2014 National Championships

    This is planned for 4th - 8th August at Stone S C on the River Blackwater in Essex. It is a favourite location for Unicorners with its easy launching at any state of the tide, excellent facilities, well organised racing and full Social programme. Please use the link to the Stone SC web site for full programme details. Those paid up members who race will receive a £10 refund of their 2014 membership fee. We hope to see some of the newer members this year to see how their skills are progressing.

    Unicorn Development

    Over the last Winter some Members have been testing new sails in various materials from GP SAILS and now a carbon fibre mast is being evaluated. We hope to see the results of these endeavours at the Nationals.

    This site is for Members to share their Club,Racing and Social news. Just send photographs or news item to myself (This email address is being protected from spambots. You need JavaScript enabled to view it.) and I will endeavour to publish it. Peter Toft




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