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Design No. 0037

Built for: Roger Pinkney
Builder: Sture Truedesson, Karlskona, Sweden
Date designed: 1938

Principal Design Data

L.O.A: 56’ 0” (17.00 m)
Datum: 38’ 0” (11.60 m)
Beam Max: 12’ 3″ (3.70 m)
Draft: 7′ 6” (2.30 m)
Displacement tons: 22.20
T.M.: 26.61 tons
Ballast ratio: 49.3%
Sail Area: 1350 sq. ft
Rig: Gaff Cutter

Dyarchy has been envied and admired throughout the world.  Her reputation was gained purely as a beautifully conceived cruising boat both in function and appearance.

We offer individual copies of the original building plans for Dyarchy as well contempory drawings for WEST strip plank construction and steel hull versions of this outstanding classic cruising yacht.

Drawings are also available for modellers


We are currently updating the online purchase facility. For those of you who would like to buy copies of the original historical drawings, plan for the construction of scale models, stock plan sets for full size construction, study notes or our brochure please contact us stating which design and items you require. We will do our best to help.

If you want to make your purchase by using PayPal account or credit card, please choose 'PayPal' at the 'Check out'.
We can also take payment by Bank transfer, for further information, please contact us.

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Additional Information

Individual Drawing Copies

Please download and print the drawings list for Dyarchy, Individual plan copies cost $85.00 which includes standard airmail. Please contact us using the link for information on how to order.

Download Drawing List

Study Notes

20 page A4 format colour booklet containing many small scale drawings and photographs as well as technical data and an abridged specifications of the carvel, strip plank & steel versions of Dyarchy & her sister ships.
Included are generic drawing lists for each of the alternative designs and information for clients considering building a modern replica of Dyarchy.

Model Plans

349-1 Model (low res) 0037 Dyarchy model low res

Full set of Stock Building Plans

373 Construction Plan (Swedish Notation).pdf

A replica of Dyarchy can be constructed from the original 1938 drawings, or if preferred using strip plank construction for which full construction, rigging and outfit drawings will be provided. There is also an option for steel construction which is listed as Design Number 1033 in the Register.

Poster & Art Prints

Preliminary Lines Tinted Large 28″ x 11″ Sail Plan Poster 379 Masthead Bands.tif