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).
Requesting an opinion on Hykro steel for use in crankshafts.
| Identifier | ExFiles\Box 146\1\ scan0139 | |
| Date | 20th December 1937 | |
| W/P. To Sr. from Rm.{William Robotham - Chief Engineer} 1245 Rm.{William Robotham - Chief Engineer}7/AP.20.12.37. RE. NITRIDING STEELS With reference to Sr.5/Crn.16.12.37, I should like Messrs.Aubert & Duval's opinion on the Hykro steel which we are about to use for our crankshafts. If they have any comments to make I could at least pass them on to Messrs Firths. Rm.{William Robotham - Chief Engineer} | ||