Sun Fast 31

The Sun Fast 31 is a French sailboat that was designed by Daniel Andrieu as a cruiser-racer and first built in 1991.[1][2][3][4][5][6][7][8][9]

Sun Fast 31
Development
DesignerDaniel Andrieu
LocationFrance
Year1991
No. built130
Builder(s)Jeanneau
RoleCruiser-Racer
NameSun Fast 31
Boat
Displacement6,834 lb (3,100 kg)
Draft5.74 ft (1.75 m)
Hull
Typemonohull
Constructionfiberglass
LOA30.51 ft (9.30 m)
LWL25.26 ft (7.70 m)
Beam10.60 ft (3.23 m)
Engine typeYanmar 2GM20 18 hp (13 kW) diesel engine
Hull appendages
Keel/board typefin keel
Ballast2,650 lb (1,202 kg)
Rudder(s)spade-type rudder
Rig
Rig typeBermuda rig
I foretriangle height36.09 ft (11.00 m)
J foretriangle base10.66 ft (3.25 m)
P mainsail luff36.74 ft (11.20 m)
E mainsail foot12.14 ft (3.70 m)
Sails
Sailplanfractional rigged sloop
Mainsail area255 sq ft (23.7 m2)
Jib/genoa area291 sq ft (27.0 m2)
Spinnaker area632 sq ft (58.7 m2)
Upwind sail area546 sq ft (50.7 m2)
Downwind sail area887 sq ft (82.4 m2)

The Sun Fast 31 is part of the Sun Fast sailboat range.[10]

The design is a development of the Sun Odyssey 31 and the Sun Light 30.[1][2]

Production

The design was built by Jeanneau in France, from 1991 to 1994, with 130 boats completed, but it is now out of production.[1][2][9][11][12][13]

Design

The Sun Fast 31 is a recreational keelboat, built predominantly of fiberglass, with wood trim. It has a 7/8 fractional sloop, with a deck-stepped mast, two sets of swept spreaders and aluminum spars with discontinuous stainless steel wire rigging. The hull has a raked stem, a reverse transom with a swimming platform, an internally mounted spade-type rudder controlled by a tiller and a fixed fin keel, deep draft keel or optional shoal-draft keel. The "performance" fin keel model displaces 6,834 lb (3,100 kg) and carries 2,601 lb (1,180 kg) of lead ballast. The deep draft keel and shoal draft models displace 6,834 lb (3,100 kg) and carry 2,601 lb (1,180 kg) of cast iron ballast.[1][2][3][4][5]

The "performance" keel model has a draft of 5.74 ft (1.75 m), the deep draft model has a draft of 5.74 ft (1.75 m) but with an "L" shaped keel. The shoal draft keel model has a draft of 4.76 ft (1.45 m).[1][2][3][4][5]

The boat is fitted with a Japanese Yanmar 2GM20 diesel engine of 18 hp (13 kW) for docking and maneuvering. The fuel tank holds 12 U.S. gallons (45 L; 10.0 imp gal) and the fresh water tank has a capacity of 24 U.S. gallons (91 L; 20 imp gal).[1][2]

The design was built with two interior arrangements, designated "owners" and "team". The owners layout has sleeping accommodation for four people, with a double "V"-berth in the bow cabin, a "U"-shaped settee around a table in the main cabin and an aft cabin with a double berth on the port side. The galley is located on the port side admidships. The galley has a straight layout and is equipped with a two-burner stove, an ice box and a sink. A navigation station is aft the galley, on the port side. The head is located beside the companionway ladder on the starboard side. Cabin maximum headroom is 73 in (185 cm).[1][2][3][4][5]

The team cabin version has sleeping accommodation for six people, with a double "V"-berth in the bow cabin, two straight settees in the main cabin and an aft cabin with a double berth on the port side. The galley is located on the port side just forward of the companionway ladder. The galley is "L"-shaped and is equipped with a two-burner stove, an ice box and a sink. A navigation station is opposite the galley, on the starboard side. The head is located beside the companionway ladder on the starboard side. Cabin maximum headroom is 73 in (185 cm).[1][2][3][4][5]

For sailing downwind the design may be equipped with a symmetrical spinnaker of 632 sq ft (58.7 m2).[3][4][5]

The design has a hull speed of 6.74 kn (12.48 km/h).[2][3][4][5]

Operational history

The boat was at one time supported by a class club that organized racing events, the Sun Fast Association.[14][15]

See also

References
  1. McArthur, Bruce (2022). "Sun Fast 31 (Jeanneau) sailboat". sailboatdata.com. Archived from the original on 19 December 2022. Retrieved 19 December 2022.
  2. Sea Time Tech, LLC (2022). "Jeanneau Sun Fast 31". sailboat.guide. Archived from the original on 19 December 2022. Retrieved 19 December 2022.
  3. "Sun Fast 31 Deep draft Sailboat specifications". Boat-Specs.com. 2022. Archived from the original on 19 December 2022. Retrieved 19 December 2022.
  4. "Sun Fast 31 Shoal draft Sailboat specifications". Boat-Specs.com. 2022. Archived from the original on 19 December 2022. Retrieved 19 December 2022.
  5. "Sun Fast 31 Performance / Lead keel Sailboat specifications". Boat-Specs.com. 2022. Archived from the original on 19 December 2022. Retrieved 19 December 2022.
  6. McArthur, Bruce (2022). "Daniel Andrieu". sailboatdata.com. Archived from the original on 29 November 2022. Retrieved 19 December 2022.
  7. Sea Time Tech, LLC (2022). "Daniel Andrieu". sailboat.guide. Archived from the original on 29 November 2022. Retrieved 19 December 2022.
  8. "Andrieu Yacht Design Sailboat designer". Boat-Specs.com. 2022. Archived from the original on 29 November 2022. Retrieved 19 December 2022.
  9. Jeanneau. "Sun Fast 31". jeanneauamerica.com. Archived from the original on 20 December 2022. Retrieved 19 December 2022.
  10. "Sun Fast Sailboat range". Boat-Specs.com. 2022. Archived from the original on 18 September 2022. Retrieved 19 December 2022.
  11. McArthur, Bruce (2022). "Jeanneau (FRA)". sailboatdata.com. Archived from the original on 5 June 2021. Retrieved 19 December 2022.
  12. Sea Time Tech, LLC (2022). "Jeanneau". sailboat.guide. Archived from the original on 18 April 2022. Retrieved 19 December 2022.
  13. "Jeanneau Sailboat builder". Boat-Specs.com. 2022. Archived from the original on 7 June 2021. Retrieved 19 December 2022.
  14. McArthur, Bruce (2022). "Sun Fast (Jeanneau)". sailboatdata.com. Archived from the original on 18 September 2022. Retrieved 18 September 2022.
  15. Sea Time Tech, LLC (2022). "Sun Fast (Jeanneau)". sailboat.guide. Archived from the original on 18 September 2022. Retrieved 19 December 2022.
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