Corsair F31

The Corsair F31 is the third of trimaran launched by Corsair Marine after the Corsair F27 and Corsair F24 MkI. As the smaller models, she uses the folding system developed by Ian Farrier allowing her a small width in harbour or on a trailer but the bigger dimensions bring a real livability. She also keeps the excellent performance of the Corsair Range.

The Corsair F31 became Corsair 31 after the departure of Ian Farrier, she has been proposed in various versions:

  • Center-Cockpit (CC) using the configuration of the Corsair F27 with a rear cabin
  • Aft Cockpit (AC), offering a large opened cockpit
  • Ultimate Cruiser (UC), fully equipped version that drops the front cabin for a shower room
  • 1 D (One Design Racer) with optimized construction and simplified accommodations.
See the Corsair F31's specifications on

Main Features

ModelCorsair F31
Sailboat typeCruising-racing multihull
Trailerable trimaran
DesignerIan Farrier
Building years (first/last)1992 / 2013
Number built≈300
SuccessorCorsair Cruze 970
CE regulationB-4
ConstructionSandwich PVC/fiberglass with carbon fiber reinforcement
Appendage typeDaggerboard (main hull)
Rudder bladeSingle transom hung rudder
RudderSingle tiller
Main dimensions
Hull length30.8 ft
Waterline length30.0 ft
Beam over all22.4 ft
Length folded30.8 ft
Beam folded8.2 ft
Draft (max./min.)5.5 / 1.3 ft
Mast height47.4 ft
Mast length42.5 ft
Light displacement3849 lbs
French customs tonnage7.78 Tx

Rig and sails

Rig typeFractional Sloop with rotating mast
Rig materialMast and boom in Aluminum
Number of rows of spreader2
Spreader anglePushing (diamond)
Spinnaker typeAssymmetrical spinnaker on bowsprit
Upwind sailarea645 ft²
Downwind sailarea1420 ft²
Mainsail area427 ft²
Genoa area217 ft²
Spinnaker area992 ft²
Code Zero area448 ft²

PMainsail hoist measurement (from tack to head)

40.6 ft

EMainsail foot measurement (from tack to clew)

14.3 ft

LLGenoa hoist measurement (from tack to head)

34.3 ft

LPGenoa perpendicular measurement from clew to luff.

11.7 ft


Righting moment max (kg/m)9673 °
Upwind sailarea / displacement369.3 ft²/Ton
Downwind sailarea / displacement813.1 ft²/Ton

Auxiliary engine

Engine power1 x 10 hp
Fuel capacity6.6 gal
Fuel typeGas
Transmission typeOutboard
Propeller typeThree-blade propeller


Number of cabin2
Number of berth (max./min.)6 / 5
Number of shower room1
Fresh water capacity18.0 gal
Headroom max6.3 ft
Headroom kitchen5.9 ft
Headroom5.9 ft
Fore cabin
Length of berth6.6 ft
Width of berth*4.6 ft
Aft cabin
Length of berth6.7 ft
Width of berth*3.5 ft
*Maximal width : at head

Based on specification2009

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