Many factories built the Merlin

PRODUCTION ROLLS-ROYCE MERLIN By the mid-1930s, it was becoming clear that the growth of airframe and aero engine production required by the RAF’s expansion schemes would far outstrip the capacity of existing manufacturers. The solution was for the government to pay for ‘shadow’ production capacity, mostly in the automotive industry. A 1934 government analysis of Kestrel production capacity concluded that it would be insufficient in wartime. The suggested remedy was an ‘educational’ shadow scheme, with Rolls- Royce teaching Humber how