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).
Secret memo regarding drawing LeC.5834 for the Wraith III engine, showing the rear crankcase, camshaft, and tachometer drive.
| Identifier | ExFiles\Box 6\6\ 06-page140 | |
| Date | 20th February 1937 | |
| For Mr Iles 600 BY.{R.W. Bailey - Chief Engineer} c. Fm. HPS.{Horace Percy Smith - Experimental Factory Mgr} SECRET. E/JNR.{Charles L. Jenner}1/HP.20.2.37. Wraith III Engine. Please receive herewith:- LeC.5834 showing the rear portion of the crankcase, the rear of the camshaft, and everything associated with No.7. journal bearing. We also show the tachometer drive which is driven from the end of the camshaft. This has been provided in case we find it required on this engine. However when we cometo the future Bentley we know it must be required. LeC.5834 herewith. E/JNR.{Charles L. Jenner} | ||