The Twitchell 12 is an American

sailboat A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture. Types Although sailboat terminology ...

that was designed by

Ron Holder Ron is a shortening of the name Ronald. Ron or RON may also refer to: Arts and media * Big Ron (''EastEnders''), a TV character * Ron (''King of Fighters''), a video game character *Ron Douglas, the protagonist in '' Lucky Stiff'' played by Joe ...

as a

day sailer A daysailer, day sailer, or dayboat is a small sailboat with or without sleeping accommodations but which is larger than a dinghy. Dayboats can be mono hull or multihull, and are typically trailer-able. Many dayboats have a small cabin or "cu ...

for people with limited mobility and first built in 1991.

Production

The design was built by

W. D. Schock Corp The W. D. Schock Corporation (usually styled W. D. Schock Corp) is an American boat builder originally based in Newport Beach, California, later in Corona, California and currently located in Santa Ana, California. The company was founded by Wi ...

in the United States, from 1991 until 1993, with 27 boats completed, but it is now out of production.

Design

The Twitchell 12 is a recreational

sailing dinghy Dinghy sailing is the activity of sailing small boats - usually for fun, learning necessary sailing skills (often also within family), and competition. RYA lists Five essentials of sailing dinghies as: * The sails * The hydrofoil, foils (i.e. t ...

, built predominantly of

fiberglass Fiberglass (American English) or fibreglass (English in the Commonwealth of Nations, Commonwealth English) is a common type of fibre-reinforced plastic, fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened i ...

, with wood trim. It has a fractional sloop rig with a

jib A jib is a triangular sail that sets ahead of the foremast of a sailing vessel. Its forward corner (tack) is fixed to the bowsprit, to the bows, or to the deck between the bowsprit and the foremost mast. Jibs and spinnakers are the two main ty ...

boom, 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

reverse transom In some boats and ships, a transom is the aft transverse surface of the hull that forms the stern of a vessel. Historically, they are a development from the canoe stern (or "double-ender") wherein which both bow and stern are pointed. Transom ...

, a transom-hung

rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane, the rudder is used primarily to counter adverse yaw ...

controlled by a cockpit

joystick A joystick, sometimes called a flight stick, is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. Also known as the control column, it is the principal control devic ...

and a retractable

daggerboard A daggerboard is a retractable centreboard used by various sailing craft. While other types of centreboard may pivot to retract, a daggerboard slides in a casing. The shape of the daggerboard converts the forward motion into a windward lift, co ...

. It displaces . The boat has a draft of with the daggerboard extended and with it retracted, allowing operation in shallow water, beaching or ground transportation on a trailer. The design has a

hull speed Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to- ...

of .

References

External links

Photo of a Twitchell 12
{{Sailing dinghies and skiffs Dinghies 1990s sailboat type designs One-design sailing classes Sailboat type designs by Ron Holder Sailboat types built by W. D. Schock Corp

Production

Design

See also

References

External links