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James Wharram Designs

Unique self-build sailing catamarans, inspired by the double canoes of the Polynesians

Find the Right Boat for You

The Wharram Design Book is the best starting point if you are still exploring the full design range. It gives an overview of each self-build model, introduces the Wharram boat builder’s mindset, and helps you narrow down which boats may suit your needs, dreams and sailing plans. It is available as a digital download.

A Study Plan then takes you deeper into a particular design. With large plan sheets, design notes, photographs, performance information, article extracts, FAQs and a materials list to help estimate local building costs, it gives you a clearer sense of the boat before you move on to the full Boat Building Plans.

Study Plans are only available as digital downloads. You can print them at home if you wish.

The Mana 24 design does not have a Study Plan, comprehensive design information is freely available.

Discounts are applied automatically when you add multiple Study Plans to your basket:

  • Two Study Plans: 10% off
  • Three Study Plans: 20% off
  • Four or more Study Plans: 30% off
Islander 39 3D drawing
Birds eye view of a catamaran, people lying on deck
Papers and articles spread out on a surface.

Ariki Study Plan

£16.50

The Ariki Study Plan is intended to help you decide if this design is for you.

Category:

Description

A smaller version of the TEHINI and a bigger version of the RAKA. Designed for an Australian who wished to enter the ‘Single-handed Trans Atlantic Race’ in the early 1970s.

A very rakish looking design with simple to construct, fast, slim hulls. However, if you are looking for more accommodation check out the newer Tiki 46.

Study Plan Contents

  • 2 x A1 Plan Sheets
  • Materials List
  • Articles
  • FAQ list

Design Data

Building Method: Ply/Timber/Epoxy/Laminate
Length Overall: 45′ 6″ 13.88 m
Beam overall: 20′ 6.10 m
Waterline length: 38′ 11.58 m
Draft: 2′ 5″ 0.74 m
Weight: 3.2 tons
Loading capacity: 2 tons
Working sail area: 712 sqft 66.2 sqm
Max. sail area: 977 sqft 90.8 sqm
Building Time Estimate: 3000 hours

Visual Tour

Ariki Photo Gallery

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