S.S.19B. Evaluation flights of this revision revealed the aircraft to possess a maximum speed of 212 mph.

By the summer of 1933, testing had progressed with the S.S.19B and plans to procure the type had advanced to the point where the Gauntlet name was assigned to the type. Having been re-engined with a Bristol Mercury VIs engine, the type proved itself capable of a top speed of 215.5 mph as well as attaining an altitude of 20,000 feet in 11 minutes and 43 seconds. Having been satisfied by the