Dart 18
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The Dart 18 is a one-design long
glassfibre Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth ...
sailing catamaran. It is designed to be sailed by two people and can achieve speeds of up to 20 knots. This is reflected in its
Portsmouth Yardstick The Portsmouth Yardstick (PY) or Portsmouth handicap scheme is a term used for a number of related systems of empirical handicapping used primarily in small sailboat racing. The handicap is applied to the time taken to sail any course, and the han ...
of 805 and D-PN of 76.3


History

The Dart 18 was designed and built by Panthercraft, which was formed in 1969 The very first Dart 18, designed and built in Falmouth, Cornwall, is now owned by the
National Maritime Museum Cornwall The National Maritime Museum, Cornwall is located in a harbourside building at Falmouth in Cornwall, England. The building was designed by architect M. J. Long, following an architectural design competition managed by RIBA Competitions. The ...
. Up to the present, a number of improvements have been made, but the original concept was preserved through strict class rules. More than 8350 boats have been built up to 2016, which are sailed in more than 16 nations on 4 continents. Since 2012, Windsport International holds the worldwide licence to build the Dart 18. The boats are manufactured since 2005 at Collins Fibreglass Plastics in South Africa and in Europe. The World Championship results can be found
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.


Design

The hulls of the Dart 18 are similar to most sailing catamarans, but without
centreboard A centreboard or centerboard (US) is a retractable hull appendage which pivots out of a slot in the hull of a sailboat, known as a ''centreboard trunk'' (UK) or ''centerboard case'' (US). The retractability allows the centreboard to be raised t ...
s. Instead, the lower part of the hulls have skegs typical for a beach catamaran. The hull material is
glassfibre Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth ...
. Both hulls are filled with flotation inserts to preserve buoyancy in case of damage. The inside of each hull can be reached through a hatch cover located at the rear of each hull. The boat is assembled by attaching the main and rear beams to the hulls with spring-loaded retaining clips, and lacing the trampoline to the beams and hulls. The two rudders are removable without tools, retract on impact with the beach, and can be locked in the up position. The rigging consists of a rotating mast held by a forestay and two shroud wires. The shrouds can be adjusted by simply moving the bolts in the chainplates. The Dart 18 mast does not have spreaders. There is a
trapeze A trapeze is a short horizontal bar hung by ropes or metal straps from a ceiling support. It is an aerial apparatus commonly found in circus performances. Trapeze acts may be static, spinning (rigged from a single point), swinging or flying, an ...
for the crew. The mainsail does not have a boom, has nine full battens, and is controlled by a main sheet with a 7:1 mechanical advantage. The jib sail has two short battens, and is controlled by a jib sheet with a 2:1 mechanical advantage. The main sheet block and both jib sheet blocks have a ratchet and a cleat. A
gennaker A gennaker is a sail that was developed around 1990. Used when sailing downwind, it is a cross between a genoa and a spinnaker. It is not symmetric like a true spinnaker but is asymmetric like a genoa, but the gennaker is not attached to the f ...
sail can be added, but is not legal for racing. This is usually combined with a jib furling system. The boat can also be sailed by one person, without a foresail, with a D-PN of 78.7.


Events


World Championships


See also

*
List of multihulls Types * catamaran = two symmetric hulls * proa = two asymmetric hulls, reverse-shunting (interchangeable bow/ stern) * trimaran = three hulls * quadrimaran = four hulls * pentamaran = five hulls Pre-modern Austronesian * ʻalia * Amatasi ...


References


External links


UK Dart 18 Catamaran HistoryUK Dart 18 Catamaran AssociationSA Dart 18 Catamaran AssociationISAF 2020 class report
for the Dart 18
National Maritime Museum CornwallWindsport, supplier of Dart18 boats and parts
{{Sailing dinghies and skiffs Classes of World Sailing World championships in sailing Catamarans Dinghies 1970s sailboat type designs Sailboat types built by LaserPerformance