Auxiliary Power/Tanks (orig. equip.)
Rig and Sail Particulars
Based on a successful IOR 1/2 ton design, a number of different versions of the RUSH 31 were available besides the basic model with various performance enhancements:The GTE, REGATTA which had a lead keel, and the ROYAL. (The RUSH ROYAL STD was a selection for the 'Tour de France à la voile' 1982-1983.)In the US a boat based on this hull design was built under licence as the CAL 9.2.