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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
Catamaran with large rudders on the sea
Papers and articles spread out on a surface.

Raka Study Plan

£5.00

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

Category:

Description

The RAKA class, the same length as the TANGAROA, is a Slim-Line ship. Originally designed for George Payne who wanted a boat that he could enter in local club races in the Bristol Channel and stand a chance of winning.

He won several.

Study Plan Contents

  • 2 x Approx A1 Plan Sheets
  • Materials List
  • 7 x pages of magazine article extracts
  • FAQ list

Design Data

Building Method: Ply/Timber/Epoxy/Laminate
Length Overall: 36′ 10.97 m
Beam overall: 19′ 5.80 m
Waterline length: 30′ 9.14 m
Draft: 2′ 0.61 m
Weight: 1.7 tons
Loading capacity: 1 – 1.5 tons
Working sail area: 415 sqft 38.6 sqm
Max. sail area: 627 sqft 58.3 sqm
Building Time Estimate: 1600 hours

Visual Tour

Raka Photo Gallery

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