John
Shuttleworh Yacht Design.

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Last updated 10th Sept 2005

Building articles.

"High school project with a difference.

The story of building 2 Shuttle 31 catamarans." 2002

"Malihini." by Doug Gibson.

The story of building a 35 ft "Two Hoots" type catamaran in Hawaii and sailing her to the USA and back. (PDF file 760Kb). You need Acrobat Reader to read this article. The article was originally published in Multihulls magazine

Cruising articles.

The story of sailing "Zazen from England to Australia by Alix Pearce. Multihulls Magazine's youngest jouranalist.

Zazen on sea trials in the Solent prior to the voyage.Shuttle 40 Zazen.

This is the story of the voyage as seen through the eyes of 12 year old Alix Pearce who sailed to Australia in 2003/4 with her father, mother and twin brother Lorin, plus the odd crew member. This is a unique opportunity to hear it from the children's point of view. the story is in 7 PDF files each about 1 to 1.2 MB.

Part 1. Part 2. Part 3. Part 4. Part 5. Part 6. Part 7.

Sailing a Shuttle 31 through the Abacos islands in the Bahamas.

Gladys Cook Schneider sailed with her husband Dale and children Johnny and Daisy, plus nanny and seasoned Bahamas sailor Capt. Jimmy. This is the story of a family adventure aboard the "Eagle"

Technical articles on design.

"Design develoments in high performance cruising catamarans. From the Spectrum 42 to the Dogstar 50." 2002

The same article translated into German can be found at....

Nachfolger der TEKTRON 50 .. DOGSTAR 50

... oder wie man dem schnellsten 50 Fuß-Kreuzer der Welt Beine. John Shuttleworth (bersetzung von Klaus Ehm fur MEHRRUMPFBOOTE, Multihull Deutschland)

The design of a 52ft. Aerorig cruising catamaran


Multihull Design Considerations for Seaworthiness

This article is the text of a talk given by John Shuttleworth at the US Coastguard symposium on seaworthiness.

An Italian translation of the above article can be found at http://www.cantierino.it/Aarticoli/C-MHSeaVorthness/aaMHSeaVorth.html

Micro multihulls and the IMMCA Rating rule


CAD CAM in Yacht Design


35 Foot Catamaran for Home building "Two Hoots" design


30 Foot Racing Tri "N'aia"


70 Foot Cruising Cat


Recent Developments in Racing and Cruiser Racing Designs


Reflections on the Design of Brittany Ferries G.B.


Designers Comments on Shockwave

Archival Material

The following articles have been scanned page by page.

Multihulls on Ratings

Part 1 (108k)
Part 2 (143k)
Part 3 (156k)

  • Multihulls on Performance
  • Part 1 (160k)
    Part 2 (164k)
    Part 3 (208k)
    An Italian translation of the above article can be found at
    http://www.cantierino.it/Aarticoli/C-MHPerfomance/aMHPerform.html

  • Further Developments in Performance Prediction for Multihulls
  • Part 1 (156k)
    Part 2 (144k)
    Part 3 (116k)
    Part 4 (104k)

  • Ian Holt review of the Lynx 8 metre Micro multihull
  • Part 1 (180k)
    Part 2 (147k)
    Lynx Study Plan (129k)