C&amp;C 3/4 TonC&amp;C 3/4 Ton C&C 3/4 Ton The C&C 3/4 Ton is a Canadian sailboat, that was designed by Robert W. Ball as an International Offshore Rule Three-Quarter Ton class racer and first built in 1974. The design was developed into the C&C 33-1 later in 1974, using the same hull design and sailplan. Production. The boat was built on a "semi custom" basis by C&C Yachts in Canada and they completed 15 examples in 1974. Design. The C&C 3/4 Ton is a small racing keelboat, built predominantly of fibreglass, with wood trim. It has a masthead sloop rig, an internally-mounted  spade-type rudder and a fixed fin keel. It displaces and carries of ballast. The boat has a draft of with the standard keel fitted. The design has a hull speed of . Operational history. The boat is supported by an active class club that organizes racing events, the "IOR 3/4 ton Association". See also. Related development Similar sailboats C&C 3/4 Ton The C&C 3/4 Ton is a Canadian sailboat, that was designed by Robert W. Ball as an International Offshore Rule Three-Quarter Ton class racer and first built in 1974. The design was developed into the C&C 33-1