While still training, in his spare time Palmer designed and built a sports car for the racing driver Joan Richmond and called it the Deroy after a tin mine his father owned in Mozambique. He completed the Deroy in 1936 and drove the car to the M.G.
While still learning, Palmer designed and built a sports car for Joan Richmond, which he named Deroy after a tin mine his father owned in Mozambique. He finished the Deroy in 1936 and drove it to the M.G.