Class CHeavy displacementCruiser/Racer

Sun Fast 31

Jeanneau · Daniel Andrieu · 1991

Updated

Measured under the previous VPP (2021–2024)

The Sun Fast 31 is a 9.20 m heavy displacement racing yacht designed by Daniel Andrieu and built by Jeanneau, first launched in 1991. It races in Class C.

Sun Fast 31 - Daniel Andrieu - JeanneauP 11.27 mLOA 9.20 m

Length

9.20 m

30′ 2″

Beam

3.17 m

Draft

1.61 m

Displacement

3.1 t

Sail area

50 m²

No boat of this design has been measured under the current VPP. The figures below come from measurement records issued between 2021 and 2024, on the earlier scale, so this design carries no Race Edge.

On the podium

Where a Sun Fast 31 finishes when she goes racing.

Not enough data yet to show how this design finishes. It has not been found in the race results we have collected so far.

Recent regattas

The latest events where a Sun Fast 31 was on the start line, named as the organisers publish them.

No regattas found yet.

Raced one we are missing?

Report a regatta

Round the buoys, or offshore

A short windward-leeward and a night at sea ask different things of a boat. Here is how this one does in each.

Round the buoys

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Not enough data yet: no races of 10 NM or less carry a published distance.

Offshore & coastal

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Not enough data yet: no races over 10 NM carry a published distance.

Who she races against

The designs a Sun Fast 31 actually lines up with, most often first. The bar shows how those meetings ended.

Not enough data yet to say who this design races against. No result we have collected puts it on the water beside another design we track.

Speed at every angle

The shape of this design's speed, drawn from the measured fleet. Pick a wind and watch it stretch.

36930°60°90°120°150°WIND9.2

Upwind VMG

4.25

44°

Beam reach

7.58

90°

Broad reach

9.16

135°

Downwind VMG

7.62

170°

Speed in knots at 20 knots of true wind. Green marks the angles that pay: the closest useful beat and the deepest run worth sailing.

How fast is a Sun Fast 31

Boat speed in knots, by true wind angle and wind strength.

Angle6 kn10 kn14 kn20 kn
Beat VMG3.754.414.504.25
52°5.586.316.466.39
60°5.806.486.676.67
75°5.966.646.977.14
90°5.976.777.147.58
110°6.036.927.508.19
120°5.876.867.548.79
135°5.406.627.329.16
150°4.716.156.878.23
Run VMG4.095.416.387.62

How they are set up

The range each sail spans across the fleet.

Mainsail26 m² – 27 m²
Headsail24 m²

Roughly half carry a folding propeller. Crew weight is declared around 400 kg.

Rigging

Sun Fast 31 rig and sail dimensions

A Sun Fast 31 carries 11.27 m of mainsail hoist on a 3.71 m boom, a forestay 10.97 m above the deck. Typical figures across the 2 boats measured under the current VPP, with the range each one spans.

Rig

Mainsail hoistP11.27 m11.20 – 11.35
Boom lengthE3.71 m3.70 – 3.72
Forestay heightIG10.97 m10.95 – 11.00
Fore triangle baseJ3.27 m3.25 – 3.30
Spinnaker hoistISP11.04 m10.98 – 11.10
Boom above deckBAS1.18 m1.18 – 1.18

Sails

Mainsail26.3 m²25.6 – 27.1
Headsail23.8 m²23.5 – 24.0