M34 (keelboat)

The M34 is a French sailboat that was designed by Joubert/Nivelt/Mercier as a one-design racer and first built in 2010. The boat was used as the class for the Tour de France à la voile.[1][2][3][4]

M34
Development
DesignerJoubert/Nivelt/Mercier
LocationFrance
Year2010
Builder(s)Archambault Boats
Boat
Boat weight5,952 lb (2,700 kg)
Draft8.16 ft (2.49 m)
Hull
Typemonohull
Constructionfibreglass
LOA34.00 ft (10.36 m)
LWL33.08 ft (10.08 m)
Beam9.75 ft (2.97 m)
Engine typeVolvo 20 hp (15 kW) diesel engine
Hull appendages
Keel/board typefin keel with weighted bulb
Ballast2,315 lb (1,050 kg)
Rudder(s)internally-mounted spade-type rudder
Rig
Rig typeBermuda rig
I (foretriangle height)43.33 ft (13.21 m)
J (foretriangle base)13.20 ft (4.02 m)
P (mainsail luff)45.40 ft (13.84 m)
E (mainsail foot)15.70 ft (4.79 m)
Sails
Sailplanfractional rigged sloop
Mainsail area452 sq ft (42.0 m2)
Jib/genoa area312 sq ft (29.0 m2)
Gennaker area1,399 sq ft (130.0 m2)
Upwind sail area764 sq ft (71.0 m2)
Downwind sail area1,851 sq ft (172.0 m2)

Production

The design was built by Archambault Boats in France from 2010 until 2013, but it is now out of production.[1][2][5][6]

Design

The M34 is a racing keelboat, built predominantly of fibreglass with a sandwiched core. It has a 7/8 fractional sloop rig with a carbon fibre keel-stepped mast and fixed bowsprit, and an aluminum boom. The mast has two sets of 20° swept spreaders. The hull has a plumb stem, a raised plumb transom, an internally mounted spade-type rudder controlled by a tiller and a fin keel. It displaces 5,952 lb (2,700 kg) and carries 2,315 lb (1,050 kg) of lead ballast.[1][2]

The boat has a draft of 8.16 ft (2.49 m) with the standard keel. The keel can be partially raised for ground transportation and gives a draft of 5.92 ft (1.80 m) with it raised.[1][2]

The boat is fitted with a Swedish Volvo diesel engine of 20 hp (15 kW) with a saildrive for docking and manoeuvring, supplied by a fuel tank with a capacity of 13.2 U.S. gallons (50 L; 11.0 imp gal).[1][2]

The design has sleeping accommodation for four people, in two cabins. The below decks headroom is 67 in (170 cm)[2]

For sailing downwind the design may be equipped with an asymmetrical spinnaker of 1,399 sq ft (130.0 m2). It has a hull speed of 7.71 kn (14.28 km/h).[2]

Operational history

The boat served as the one-design class for the Tour de France à la voile from 2011 to 2014.[7][8]

See also

References
  1. McArthur, Bruce (2020). "M34 (Archambault) sailboat". sailboatdata.com. Archived from the original on 22 December 2020. Retrieved 22 December 2020.
  2. "M34". Boat-Specs.com. 2020. Archived from the original on 22 December 2020. Retrieved 22 December 2020.
  3. McArthur, Bruce (2020). "Joubert-Nivelt". sailboatdata.com. Archived from the original on 22 December 2020. Retrieved 22 December 2020.
  4. "Joubert Nivelt Design". Boat-Specs.com. 2020. Archived from the original on 18 December 2020. Retrieved 22 December 2020.
  5. McArthur, Bruce (2020). "Archambault Boats (FRA) 1967 - 2014". sailboatdata.com. Archived from the original on 22 December 2020. Retrieved 22 December 2020.
  6. "Archambault". Boat-Specs.com. 2020. Archived from the original on 18 December 2020. Retrieved 22 December 2020.
  7. McArthur, Bruce (2020). "Tour de France à la voile". sailboatdata.com. Archived from the original on 22 December 2020. Retrieved 22 December 2020.
  8. Tour de France à la voile. "2011 - 2014 : M34". www.tourvoile.fr. Archived from the original on 23 September 2020. Retrieved 22 December 2020.
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