Building a catamaran

Requirements

Principle: smaller is better as long as it's seaworthy enough.

Interesting designs

Boat Facts Pros Cons

Shuttle 28

Shuttle 28
  • Design by John Shuttleworth
  • Length: 8.5 / 28 ft
  • Beam: 6.35 m
  • Displacement: 1700 kg / 2600 kg
  • Construction: strip plank
  • Building time: 3200 h ยน
  • Note: open bridgedeck
  • Modern design, famous designer
  • Low windage
  • Big cockpit
  • Finnish spruce could be used as strip plank material, cheaper than ply
  • Open bridgedeck may be cold in northern climate
  • Best accommodation layout I've seen
  • Small saloon

KD-860

KD-860
  • Design by Bernd Kohler
  • Length: 8.6 m
  • Beam: 5.6 m
  • Displacement: 1800 kg / 3000 kg
  • Construction: plywood-epoxy
  • Note: two outboard motors
  • Plywood construction, quick to build (1200 h)
  • Modern design
  • Very cheap plans (320 USD)
  • Low windage, good performance
  • Vortex panels instead of dagger boards or keels (no extra draft)
  • According to designer, "designed for ocean work"
  • None built
  • Re-sale value?
  • Sleeping cabins on the bridgedeck, limited privacy
  • Imported marine plywood is quite expensive

Cosmos 930

Cosmos 930 More pictures
  • Design by Schionning Designs
  • Length: 9.3 m / 30.5 ft
  • Beam: 6.1 m
  • Displacement: 2980 kg
  • Construction: wood-epoxy
  • Modern design
  • Not the smallest one...

Simpson Groundeffect

Simpson Groundeffect
  • Design by Simpson
  • Length: 9 m / 30 ft
  • Beam: 6 m
  • Displacement: 2524 kg
  • Construction: strip plank
  • Aged but well-known design
  • Probably many boats built
  • Lack of online information
  • Designer not anymore in boat business

Simpson Woodwind 9.1

Simpson Woodwind
  • Design by Simpson
  • Length: 9.1 m / 30 ft
  • Beam: 5.5 m
  • Displacement: 1850 kg
  • Construction: sheet ply
  • Aged but well-known design
  • Probably many boats built
  • Lack of online information
  • Designer not anymore in boat business

Catharsis 26

Carharsis 26 by Terho Halme
  • Design by Terho Halme
  • Length: 8.0 m / 26 ft
  • Beam: 5.2 m
  • Displacement: 1200 kg
  • Construction: strip plank
  • Good looking and roomy 26 footer
  • More a consept than production ready design

Boxcat 26

Boxcat 26 by Terho Halme
  • Design by Terho Halme
  • Length: 8.0 m / 26 ft
  • Beam: 5.5 m
  • Displacement: 1200 kg
  • Construction: plywood
  • Another interesting 26 footer from Terho Halme
  • More a consept than production ready design

Radical Bay 8000

Radical Bay 8000
  • Design by Schionning Designs
  • Length: 8.0 m / 26 ft
  • Beam: 5.76 m
  • Displacement: 1100 kg
  • Building time: 2500 h (from kit)
  • Construction: BalsaDuFlex panels
  • Very nice bi-rigged cruiser/racer
  • Expensive

[1] Estimated building times of Shuttleworth's boats includes installing all the systems and finishing the boat completely to a 'high standard'.

Links

Other catamaran projects

Mast building

Multihull resources


This page was updated in May 2006 - Contact me