The C&C SR 21 is a Canadian racing sailboat that was designed by Glenn Henderson and first built in 1992. It was introduced under the name SR MAX. Production The design was built by C&C Yachts starting in 1992, but it is now out of production. Design The SR 21 is a racing keelboat, built predominantly of fibreglass. It has a fractional sloop rig, a raked stem, an open reverse transom, an internally-mounted spade-type rudder controlled by a tiller and a lifting fin keel. It displaces and carries of ballast. The boat has a draft of with the lifting keel extended and with it retracted, allowing ground transportation on a trailer. The boat may be fitted with a small outboard motor for docking and maneuvering. The design has a PHRF racing average handicap of 165 with a high of 174 and low of 159. It has a hull speed of . See also List of sailing boat types Related development C&C SR 25 C&C SR 27 C&C SR 33 Similar sailboats Capri 22 J/22 References Keelboats 1990s sailboat type designs Sailing yachts Sailboat type designs by Glenn Henderson Sailboat types built by C&C Yachts