The Illusion is a one-design, single-handed keelboat

Keelboat

Keelboat has two distinct meanings related to two different types of boats: one a riverine cargo-capable working boat, and the other a classification for small- to mid-sized recreational sailing yachts.-Historical keel-boats:...

 based on the lines of a 12 metre yacht

Yacht

A yacht is a recreational boat or ship. The term originated from the Dutch Jacht meaning "hunt". It was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into the shallow waters of the Low Countries...

. Its features include foot pedal steering, genoa roller reefing, full trimming facilities, large buoyancy tanks, and car-top mounting. It was designed by Jo Richards and Neil Graham in 1981.

UK clubs

Clubs racing Illusions in the UK are:

• Aldenham SC, Elstree (Herts.)
• Bembridge SC (IoW)
• West Kirby SC, Wirral (Merseyside)

Specifications

Material	GRP
Number of crew	1
LOA	3.70 m (12 ft)
LWL Waterline length The Waterline length is a measurement of ships and boats. The term denotes the length of the vessel at the point where it sits in the water. It excludes the total length of the boat, such as features that are out of the water...	3.23 m (10 ft 6 in)
Draft Draft (hull) The draft of a ship's hull is the vertical distance between the waterline and the bottom of the hull , with the thickness of the hull included; in the case of not being included the draft outline would be obtained...	.69 m (27 in)
Beam Beam (nautical) The beam of a ship is its width at the widest point. Generally speaking, the wider the beam of a ship , the more initial stability it has, at expense of reserve stability in the event of a capsize, where more energy is required to right the vessel from its inverted position...	.85 m (33 in)
Gross displacement	320 kg (705.5 lb) (including skipper’s weight)
Ballast	160 kg (352.7 lb) (variable, depending on skipper’s weight)
Sail area: main Mainsail A mainsail is a sail located behind the main mast of a sailing vessel.On a square rigged vessel, it is the lowest and largest sail on the main mast....  + jib Jib A jib is a triangular staysail set ahead of the foremast of a sailing vessel. Its tack is fixed to the bowsprit, to the bow, or to the deck between the bowsprit and the foremost mast...	3.4 square metre
Sail area: spinnaker Spinnaker A spinnaker is a special type of sail that is designed specifically for sailing off the wind from a reaching course to a downwind, i.e. with the wind 90°–180° off the bow. The spinnaker fills with wind and balloons out in front of the boat when it is deployed, called flying. It is constructed of...	4.5 square metre

External links

• UK National Illusion Class Website