 Proper production now started still using a water-cooled, Coventry-Simplex twin-cylinder engine of 1045 cc and 1069 two-seat cars were made before the outbreak of World War 1 and a move to war work.A move was also made to the larger Cordwallis Works in Maidenhead in 1914.During the war the company was run by Grice as his partners were in the army.