User blog comment:RA2/Robot Wars Rankdown: Series 4/@comment-9751413-20180513153820/@comment-979907-20180514085939

Crikey now I know how Toast felt about Clawed Hopper. Disco in s4 had different dimensions, weight and motor from Ex1 - and that's what we can tell just by comparing the infoboxes. They're not the same robot.