The Warrior 40 Sailboat

The Warrior 40, a sturdy offshore cutter, was designed by Angus Primrose & Bill Dixon and built in the UK by Trident Marine Ltd.

'Summerbird' a Warrior 40 sailboat on a mooring ball in the River Yealm, near Plymouth, UK.The Warrior 40, a flush-decked long-distance cruiser.

Published Specification for the Warrior 40

Underwater Profile: Fin keel and skeg hung rudder

Hull Material: GRP (Fiberglass)

Length Overall: 39'4" (12.00m)

Waterline Length: 31'3" (9.53m)

Beam: 13'0" (4.0m)

Draft: 5'0" (1.52m)

Rig Type: Cutter

Displacement: 18,739lb (8,500kg)

Designer: Angus Primrose & Bill Dixon

Builder: Trident Marine (UK)

Year First Built: 1988


Published Design Ratios for the Warrior 40

1. Sail Area/Displacement Ratio: Not known.

  • Less than 16 would be considered under-powered;
  • 16 to 20 would indicate reasonably good performance;
  • Over 20 suggests relatively high performance.

2. Ballast/Displacement Ratio: 44.1

  • Under 40: less stiff, less powerful
  • Over 40: stiffer, more powerful

3. Displacement/Length Ratio: 274

  • Under 100: Ultralight
  • 100 to 200: Light
  • 200 to 275: Moderate
  • 275 to 350: Heavy
  • Over 350: Ultraheavy

4. Comfort Ratio: 28.3

  • Under 20 indicates a lightweight racing boat
  • 20 to 30 indicates a coastal cruiser
  • 30 to 40 indicates a moderate offshore cruising boat
  • 40 to 50 indicates a heavy offshore boat
  • Over 50 indicates an extremely heavy offshore boat

5. Capsize Screening Formula: 1.9

  • Under 2.0 (the lower the better): Better suited for ocean passages
  • Over 2.0: Less suited for ocean passages

read more about these all-revealing numbers...


Summary Analysis of the Design Ratios for the Warrior 40

1. The Sail Area/Displacement Ratio of the Warrior 40 is not known, but word has it that in the right conditions, she'll approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.

2. A Ballast/Displacement Ratio of 44.1 means that the Warrior 40 will stand up well to her canvas in a blow, helping her to power through the waves.

3. A Displacement/Length Ratio of 274, tells us the Warrior 40 is a moderate displacement cruiser, which means she'll carry all your cruising gear without it having a dramatic effect on her performance. Most of today's sailboats intended for offshore cruising fall into this displacement category.

4. Ted Brewer's Comfort Ratio of 28.3 suggests that crew comfort of a xxxx in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not encouraging news for anyone prone to seasickness. 

5. The Capsize Screening Formula (CSF) of 1.9 tells us that a Warrior 40 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 


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