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Home > Classes > Sigma 38 OOD
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Sigma 38 OOD

  • Designer

    David Thomas

  • Design year


The Sigma 38 is one of the few yachts that manages to combine the excitement of one design racing with comfortable cruising. Although the Sigma 38 was designed in the late 80s it’s racing pedigree speaks for itself. An active class association ensures there is a year round nail biting one design racing programme. Imagine lining up on the start line with at least 10 other identical yachts – it is far more rewarding and competitive than handicap racing with fewer excuses for not doing well! The Sigma 38 was born in 1985 when the Royal Ocean Racing Club and the Royal Thames Yacht Club, in wake of the tragic 1979 Fastnet Race, agreed to sponsor a new one design that would stand up to tough offshore conditions. A committee of top yachtsmen decided to adopt the design of David Thomas who had already designed the successful Sigma 33. Built by Marine Projects in Plymouth with a sail wardrobe from North Sails, the Sigma 38 became extremely popular. A total of 125 yachts were built, the last Sigma 38 in 1993. Large fleets were established in Scotland, Ireland, on the East Coast and particularly on the South Coast. The Class Association was established in 1988. Many changes, including introducing new sail makers, have been introduced to the rules to maintain the competitive nature of the fleet.

Build / Config

  • Vessel type


  • Rig type

    Fractional Sloop

  • Keel config

    Fin w/spade rudder

  • Construction


Ratings / Handicaps

  • Number of crew

    8 (typical)


  • Length (overall)


  • Length (water)


  • Beam


  • Draught


  • Displacement

    6237.0 kg

  • Ballast

    2613 kg


  • Sail area (total)

    64 m2

  • Main sail area

    0.0 m2

  • P


  • E


  • Spinnaker area

    0.0 m2

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