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).
Instruction to lighten the 8-cylinder crankshaft by boring out the journals.
| Identifier | ExFiles\Box 132\2\ scan0218 | |
| Date | 26th June 1941 | |
| To Rm{William Robotham - Chief Engineer}/HH. from Jnr.{Charles L. Jenner} c. to Rm.{William Robotham - Chief Engineer} 1116 Jnr.{Charles L. Jenner}7/SW.26.6.41. Engine Design. 8 Cyl. Crankshaft. Rm.{William Robotham - Chief Engineer}2/ML. 20.4.41 Will you please instruct the next 8 cyl. Crankshaft to be lightened by boring out the journals 1.75 instead of 1.5. Jnr.{Charles L. Jenner} | ||