Statistical report on Merlin II, III, IV and X engines returned for service, detailing aircraft types and causes of damage.
| Identifier | ExFiles\Box 141\2\ scan0231 | |
| Date | 31th May 1940 | |
| To: R.M. From: Lr {Mr Ellor} /G.W.H. MER II III IV AND X ENGINES RETURNED FOR SERVICE 237 MAR. APRIL. MAY 1940 HURRICANE 55 ENGS BATTLE 63 SPITFIRE 64 HENLEY 29 DEFIANT 2 WHITLEY 23 HALIFAX 1 TOTAL CRASHES 144 Out Of 237 ENGINES DAMAGED DUE TO PILOTS ERROR UNDERCARRIAGE FAILURE GROUND COLLISIONS Bar Chart Data: Hurricane: 37 ENGS Battle: 31 Spitfire: 47 Henley: 13 Defiant: NONE Whitley: 16 Halifax: NONE LR {Mr Ellor} /G.W.H. | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).