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).
High-pitched squeal from the large capacity oil pump when starting from cold.
| Identifier | ExFiles\Box 149\2\ scan0175 | |
| Date | 15th February 1938 | |
| c. Hd.{Mr Hayward/Mr Huddy} Rm.{William Robotham - Chief Engineer} ✓ 1265 BY/Mtn8/N.15.2.38. Large Capacity Oil Pump. Referring to your memo Hd{Mr Hayward/Mr Huddy}/SB.{Mr Bull/Mr Bannister}21/HR.7.2.38, it is known a high pitched squeal is liable after starting up from cold until the oil warms up, but we are afraid there is no cure for this at the moment. BY/Mtn. | ||