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Wilderness 930

 Home-built from plans

Designed by:
Schionning Designs
Schionning Wilderness 930

The Wilderness 930, with a payload of 700 kg (~1500 lbs) was designed for weekending, short cruises or 'lightweight' liveaboard. With a hull length-to-beam ratio of 13:1 she can be raced reasonably effectively if kept light. Loaded, she has a very good cruising performance. The well proportioned bridgedeck cabin is low, with 1.5 m (~5 ft) headroom, keeping the windage low and giving excellent visability from the helm. The hulls have standing headroom. There is an access door on either side of the cockpit so it is just a short distance through the saloon to the stairs, when it is necessary to crouch. Plans are available from Schionning designs or their agents. No pre-cut kits are available for this model.

The Wilderness Range
The Schionning Wilderness range of cruising cats is especially designed for simple and quick home or professional construction. Most of the boats, including the hard chine hulls and the furniture, are built from joining ready-made, pre-glassed balsa or foam cored flat panels, for example, from DuraKore. These can purchased as pre-cut kits, available in several options, for most models in the series.

The range has good load carrying potential as fits its purpose as a cruiser, yet hulls are slender enough at the waterline to give a very good speed potential. A generous bridgedeck clearance helps avoid slamming when sea conditions deteriorate. The hulls are flat bottomed, as natural in a chine catamaran construction. The flat run aft encourages planing but the bottom panel is Veed forward to prevent noisy under-hull slamming. The hulls are also flared forward, on the inside, giving additional buoyancy reserve and thus more safety at sea. The flare also helps to deflect spray from reaching the decks.

Though built mainly of flat panels, the Wilderness range does not have the angular look of a chined boat. Compound curves are strategically incorporated both to improve appearance and to reduce air drag. The deck sections are strip-planked using the already constructed parts as a mould; this allows the decks to be rounded on the turn of the hull. Strip planking the bridgedeck cabin roof also produces similar beneficial curves.

Performance cruiser
Multihull type:
  • Hard chine hulls, bulkheads from pre-glassed balsa or foam DuFlex, flat panels
  • Reinforced hull bottoms; Kevlar rienforcing optional
  • Furniture from DuFlex honeycomb panels
  • Strip planked decks and cabin roof
  • Speedy construction with no laminating required to build the hulls
  • The boat can be built in separate sections which are joined later
  • Composite chainplates
Sails and rigging:
  • Fractional sloop rig
  • Optional carbon fibre mast
Sails and rigging images:
Schionning Wilderness 930
Deck layout and gear:
  • Good visibility from the helm
  • Comfortable and secure cockpit
  • Tiller steering (wheel steering optional)
Deck layout images:
Schionning Wilderness 930
Keels, boards and rudders:
  • Kick-up rudders
  • Dagerboards
Port hull: Double cabin aft; workbench, navigation area, or single berth amidships; head and shower forward; single berth in the forepeak
Bridgedeck: Saloon with wrap-around windows, dinette with 1.5 (~5 ft) headroom; Two access doors from the cockpit
Starboard hull: Double cabin aft; galley amidships; single cabin forward
Accommodation images:
Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930
Systems - Power, Navigation:
9.9 HP Yamaha outboard in a central nacelle under the cockpit
Performance and handling:
  • Good performance for cruising when loaded; reasonable racer when light
  • Under power: 6 kts cruise, 8 kts top speed
  • Under sail: 9.5 kts cruise, 20 kts top speed
LOA (length overall):
9.3 m (30 ft 6 in)
6 m (19 ft 8 in)
Hull length-to-beam ratio:
Draft minimum:
0.4 m (1 ft 4 in)
Windward sail area:
50.00 m² (538 ft²)
Mast height above deck:
13 m (42 ft 8 in)
Displacement, lightship (empty):
1700 kg (1.67 tons)
Displacement at design waterline (DWL):
2400 kg (2.36 tons)
700 kg (0.69 tons)
Bridgedeck clearance:
0.65 m (2 ft 2 in)
Number of berths:
Cabin headroom:
1.9 m (6 ft 3 in)
Saloon headroom - cats:
1.5 m (4 ft 11 in)
Fuel type:
Fuel capacity:
25 lt (7 US gallons)
Water capacity:
200 lt (53 US gallons)
In production:
Plans available
More images:
Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930 Schionning Wilderness 930
Degree of customisation:
Several options
Cost to home-build:
$90000 AUS (approx: £39904 Sterling / 53912 / $79160 US)*
Time to home-build from plans:
2800 hours
Time to home-build from kit:
3500 hours
Designer's/manufacturer's website:
Used boats for sale:
24 boats of this brand currently available!

* Exchange rates last updated: Sunday 27th January 2008 19:27 GMT

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