I won an auction for a 3R version, planned to 2R this with NWSL wheels. Upon disassembly found a sheet steel frame steel truck supports, and extra steel weights (and a cube with a QSI sticker on it mounted to the circuit board!)....much nicer than the plastic frame on my 2R that I bought 20 years ago. Can anyone say if this different construction is standard from the factory; it seems like it must be. Thanks-
Mike Sayre