JY15
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The JY15 is an American one-design centerboard
dinghy A dinghy is a type of small boat, often carried or towed by a larger vessel for use as a tender. Utility dinghies are usually rowboats or have an outboard motor. Some are rigged for sailing but they differ from sailing dinghies, which ...
designed by Rod Johnstone in 1989.Sherwood, Richard M.: ''A Field Guide to Sailboats of North America, Second Edition'', pages 50-51. Houghton Mifflin Company, 1994.


Production

The design was initially built by Hunter Marine in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...
, but that company ceased production. The design was acquired by Nickels Boats Works and built from 2011. Nickels merged with WindRider LLC of Minneapolis, Minnesota in 2015 and production continued, but had ended by 2020.


Design

The JY15 is a recreational, planing hull,
sailing dinghy Dinghy sailing is the activity of sailing small boats by using five essential controls: * the sails * the foils (i.e. the daggerboard or centreboard and rudder and sometimes lifting foils as found on the Moth) * the trim (forward/rear angle o ...
, built predominantly of Advanced Composite Process (ACP) by Hunter and later from fiberglass by Nickels and WindRider. It has a fractional sloop, a
raked stem The stem is the most forward part of a boat or ship's bow and is an extension of the keel itself. It is often found on wooden boats or ships, but not exclusively. Description The stem is the curved edge stretching from the keel below, up to ...
, a vertical transom, a transom-hung
rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adve ...
controlled by a
tiller A tiller or till is a lever used to steer a vehicle. The mechanism is primarily used in watercraft, where it is attached to an outboard motor, rudder post or stock to provide leverage in the form of torque for the helmsman to turn the rudder. ...
with an extension and a folding centerboard. It displaces . The boat has a draft of with the centreboard extended and with it retracted, allowing beaching or ground transportation on a trailer. The stays have lever adjusters for rapid set-up and the mast disassembles for ease of ground transport. The
mainsheet In sailing, a sheet is a line (rope, cable or chain) used to control the movable corner(s) ( clews) of a sail. Terminology In nautical usage the term "sheet" is applied to a line or chain attached to the lower corners of a sail for the purpos ...
is a 2:1 and is led off to the centerboard trunk. The rudder swings up for launching and recovering in shallow water. The design is optimized for crew hiking out, with hiking straps and rounded deck and hull for comfort. The Hunter-production JY-15 was made out of ACP (Advanced Composite Process). ACP is a laminate consisting of a foam core, an inner fiberglass skin, and a 1/8" outer plastic skin. When the design was acquired by Nickels it was rendered in fiberglass.


Operational history

The JY15 is sailed in over 80 fleets in the US.


See also

* List of sailing boat types Similar sailboats *
Laser 2 The Laser 2, or Laser II, is a sailboat that was designed by New Zealander Frank Bethwaite and Canadian Ian Bruce as a one-design racer and first built in 1978. Production The design was built by Bruce's company, Performance Sailcraft, in ...


References


External links


Official website archive
on
Archive.org The Internet Archive is an American digital library with the stated mission of "universal access to all knowledge". It provides free public access to collections of digitized materials, including websites, software applications/games, music, ...

Official Hunter Marine brochure
{{Sailing Dinghies and Skiffs Dinghies 1980s sailboat type designs Sailboat type designs by Rod Johnstone Sailboat types built by Hunter Marine Sailboat types built by Nickels Boat Works Sailboat types built by WindRider LLC