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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

Wharram Study Plans are intended to help you decide if a particular boat design is for you. They provide more detail than is available in the Design Book. The most important part of the Study Plan is the Materials List, which will list the major boat building materials requirements so you can cost your project in your own area. We feel sure that after studying these plans you will appreciate the quality and detail of the Building Plans.

Study Plans are only available as digital downloads. Downloads are instant access and eliminate delivery costs, which is particularly beneficial for international customers. They can also be printed if you wish.

The Mana 24 design does not have a study plan, comprehensive design information is available on our site.

Buying more than one Study Plan? The following discounts will be applied automatically:

  • Two Study Plans: 10% off
  • Three Study Plans: 20% off
  • Four or more Study Plans: 30% off
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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