Pahi 31 Study Plan (Digital Download)

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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 postage costs, which is particularly beneficial for international customers.

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

  • Two Study Plans: 10% off both
  • Three Study Plans: 20% off all three
  • Four or more Study Plans: 30% off all
Wharram Shop: 
Digital Download
Price: £17.50
Format: 
Digital Download
Item Details: 

The first of the Pahis, designed in 1979 after the building of a 35ft prototype, which successfully sailed the 1978 Round Britain Race. The PAHI shape has proven itself in rough weather conditions, in speed potential and ease of motion. At only 31' she is still capable of ocean voyages. Standing headroom is under a large raised hatch.

The original Pahi 31 rig is a Bermudan cutter, with low cut, anti-twist, loose footed mainsail, but now she is also available with the Wharram Wingsail Rig, giving more clear centre deck space as the mast is placed further forward.

  • 2 x A1 Plan Sheets
  • 1 x A3 Colour Photo Sheet
  • Materials List
  • 5 x Pages of magazine article extracts
Building Method: Ply/Glass/Epoxy/Laminate
Length Overall: 31' 9.45 m
Beam Overall: 16' 3" 4.95 m
Waterline Length: 25' 7.6 m
Draft: 1' 8" 0.5 m
Weight: 1.5 tons 1500 kg
Loading capacity: 1 ton 1000 kg
Sail area: 295 sqft 27.5 sqm
Building Time Estimate: 1500 hours