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Formula 18

F18
Formula 18 catamaran sailboat
Development
Designervarious
Year1994
DesignBox Rule
Brandvarious
Builder(s)various
NameF18
Boat
Crew2 person
Displacement180 kg (400 lb)
Draft1.40 m (4 ft 7 in) (upwind)
Trapezehelm and crew
Hull
Typecatamaran
LOH5.52 m (18 ft 1 in)
Beam2.60 m (8 ft 6 in)
Hull appendages
Keel/board typeoptional: daggerboards / centerboards
Rig
Mast length9.10 m (29 ft 10 in) (maximum)
Sails
Mainsail area17 m2 (180 sq ft) (mainsail and mast combined area)
Jib/genoa area4.3 m2 (46 sq ft)
Gennaker area21 m2 (230 sq ft)
Upwind sail area21.3 m2 (229 sq ft)
Downwind sail area42.3 m2 (455 sq ft)
Racing
Class associationInternational Formula 18 Class Association

The Formula 18 (F18) class is a non-foiling, restricted development,[1] formula-design sport catamaran class. It was started in the early 1990s and quickly grew getting class recognition by World Sailing, with large racing fleets all over the globe.

Design goals

Formula 18 catamaran with gennaker

The overall objective of the class is to offer popular, safe, exciting and fair racing in 18-foot catamarans.

The F18 class is a "box rule[2]" class, which means that any boat that adheres to the limited set of general design specifications may participate in all F18 races. This has led to a score of homebuilders and professional builders to design their own F18 boats and race them in this class. However, it is the mainstream production F18 designs that have dominated the top of the class. The presence of multiple boat builders and sailmakers in the class stimulates innovation and helps to limit costs to sailors.

The F18 box rule allows limited development, striking a balance between the class remaining close to the front edge of multihull design and preserving capital invested in the fleet. Since its introduction, the F18 has seen a steady evolution in both hull and sail shapes, which has led to remarkably improved performance in terms of both handling and speed. The latest innovation adoption was the introduction of the mainsail "decksweeper" at the 2017 Worlds. Crewed by experienced teams F18s can reach speeds of over 13 knots upwind and more than 20 knots downwind.

The relatively high boat weight facilitates robust construction and limits the benefits from fragile advanced construction techniques, keeping costs down and increasing longevity. It also supports adding interchangeable parts to the platform, for example for use of the platform as a foiling catamaran outside F18 racing. Moreover, the relatively high boat weight reduces the sensitivity of performance to crew weight.

The F18 class also uses an equalizing system, with crew extra weights, to offer competitive racing for a larger crew weight range.

Class development

Starting line during 2015 F18 Worlds in Kiel
Formula 18 with one hull out of the water

The Formula 18 was created in 1994 by Olivier Bovyn and Pierre-Charles Barraud to introduce first across the line / elapsed time (versus handicap / corrected time) competition to the sport catamaran sailing community at an affordable cost. The concept became popular very quickly and due to its fast growth, the F18 attained ISAF Recognised Class status already in 1996, within 18 months after its inception.

Mainly a Europe-based class at the beginning, class membership eventually spread to Australia and the Americas and the F18 class currently has full racing circuits in many places around the globe. Several thousand boats have been sold over the years. The F18 attracts both female and male as well as mixed crews and it is particularly popular among teams with combined crew weights of approximately 140–170 kg.

Its design and popularity has led the F18 to be the boat of choice for long-distance raid events such as the Stockholm Archipelago Raid, the Costarmoricaine, and the Worrell 1000.

The boats are equipped with double trapezes and a gennaker, and as a result, they require a skilled and physically fit crew to be competitive. However, many crews also use this catamaran for purely recreational sailing.

Over time the class has seen many talented sailors who also made their appearances in Olympic sailing classes, the America's Cup, Jules Verne Trophy and Volvo Ocean Race, including Carolijn Brouwer, Glenn Ashby, Darren Bundock, Jimmy Spithill, Mitch Booth and Franck Cammas.

The Formula 18 class is governed by the International Formula 18 Class Association[3] and is recognized as a World Sailing Multihull Class.

The early success of the F18 class during the 1990s inspired the founding of the Formula 16 class. In addition, a number of Formula 18 designs have gone on to have competitive one-design racing including the Hobie Tiger, Hobie Wildcat and Nacra Infusion.

Design in bold are in production

Name Years Designer Builder No Built Notes Ref.
Alado 18 J. VALER ALADO CAT
Akurra 2021-Present Goodall Design Goodall [4][5]
AHPC C2 2010-2020 Greg Goodall AHPC [6][5]
AHPC Capricorn 2004-2009 Greg Goodall
Martin Fischer
AHPC (AUS)
AHPC Taipan Greg Goodall BOYER FIBERCRAFT (aus)
Bimare HT Michelangelo Petrucci [7]
Cirrus 18
Cirrus R
Cirrus R2
Cirrus 901 2021-Present [8]
Diam 18 MULTI (FRA)
eXploder Scorpion 2015-Present Martín Vanzulli eXploder (POL) [9]
Dart Hawk 1996 - 2000s Reg White /
Yves Loday
White Formula /
Performance Sailcraft Europe (GBR)
Mass Produced [10]
Falcon
Flash MATTIA & CECCO
Nacra Inter 18 90s-00s Morelli & Melvin PERFORMANCE CATAMARAN (USA)
Nacra Inter 2 90s-00s Alain Comyn PERFORMANCE CATAMARAN (USA) [11]
Nacra F18 Infusion 2008 Nacra Sailing (NED)
Nacra F18 Infusion MK2 Nacra Sailing (NED) New Hull with dreadnaught bow
Nacra F18 Infusion MK3 Nacra Sailing (NED) Convertible to foiling
Nacra F18 Evolution 2021-Present Nacra Sailing [12]
Hobie Wildcat 2009 Martin Fischer Hobie Cat Europe (FRA)
Hobie Tiger 1995 J. Valer Hobie Cat Europe (FRA)
Hunter 1999-00s Mischa Heemskerk Twister Catamarans NL
MV Challenge Jacques Valer Mediavoile / RLM Composite [13]
RaceCat MV18 2006 (ARG) [14]
Phantom
Phenix
Shockwave Reg White /
Yves Loday
White Formula (GBR) [15]
Mystere Twister J. VALER MYSTERE EUROPE (FRA) [16]
Windrush Edge

Events

References

  1. ^ "Constitution". Formula 18. 2018-12-15. Retrieved 2018-12-15.
  2. ^ "Class Rules - Formula 18 Catamaran". sailing.org. Retrieved 2017-10-10.
  3. ^ "Formula 18". Formula 18. Retrieved 2017-10-10.
  4. ^ "Akurra : Goodall Design". www.goodalldesign.net.
  5. ^ a b Bovyn, Olivier (November 19, 2020). "Goodall Design announces new F18 flagship Akurra".
  6. ^ "Akurra : Goodall Design". www.goodalldesign.net.
  7. ^ "F-18 HT : STW002104 : the SailingTheWeb sailboat datasheet". www.sailingtheweb.com.
  8. ^ "New F18 Cirrus 901: QA with Manu Boulogne & Matthieu Marfaing - Catamaran Racing , News & Design". June 20, 2021.
  9. ^ "F18".
  10. ^ "New and used technical specifications Dart Hawk - Multihulls World". www.multihulls-world.com.
  11. ^ "Inter 2". Archived from the original on 2009-09-28.
  12. ^ Bovyn, Olivier (September 29, 2019). "New F18 Evolution presented by Nacra Sailing".
  13. ^ "MEDIAVOILE - Accélérateur de notoriété - Voile & Nautisme | Challenge des villes de Bretagne |". Archived from the original on 2009-09-19.
  14. ^ "RaceCat". Archived from the original on 2009-10-01.
  15. ^ "Shockwave". White Formula.
  16. ^ "MULTYPASS : Mystère catamarans - Bateaux Boutemy". Archived from the original on 2005-10-27.
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