Tangaroa Mk IV Study Plan

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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.

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

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Wharram Shop: 
Double canoe catamaran, one person aboard, surrounded by other boats
List price: £0.00
Price: £15.50
Format: 
Digital Download
Item Details: 

The Tangaroa Mk IV was a design that evolved from the Tangaroa Mk I, James’ first design for which he drew Self-building Plans in 1965. The Mk IV has more graceful hull lines, wider hull beam, more freeboard over the bunks and a longer cabin with standing headroom, so it is not to be mistaken for the Tangaroa Mk I of which many are still sailing.

  • 2 x A1 Plan Sheets
  • Materials List
  • Fittings list
  • 11 x pages of magazine articles extracts
  • FAQ list
Building Method: Ply/Timber/Epoxy/Laminate
Length Overall: 35' 6" 10.82 m
Beam overall: 19' 5.80 m
Waterline length: 28' 6" 8.69 m
Draft: 2' 1" 0.63 m
Weight: 2 tons
Loading capacity: 1.5 tons
Sail area: 410 sqft 38.1 sqm
Building Time Estimate: 1800 hours
Papers articles spread on a wooden floor