The Twitchell 12 is an American sailboat that was designed by Ron Holder as a day sailer for people with limited mobility and first built in 1991.
Production
The design was built by W. D. Schock Corp 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, built predominantly of fiberglass, with wood trim. It has a fractional sloop rig with a jib boom, a raked stem, a reverse transom, a transom-hung rudder controlled by a cockpit joystick and a retractable daggerboard. 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 of .