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).
Instructing the Drawing Office to proceed with a new exhaust cam and await a blueprint for a modified valve lift curve.
| Identifier | ExFiles\Box 43\3\ Scan129 | |
| Date | 15th February 1927 | |
| To R.{Sir Henry Royce} from E.{Mr Elliott - Chief Engineer} c. to BJ. RG.{Mr Rowledge} Hs.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer} V4003 E1/M15.2.27. F.10. CAM FORMS. X.4093 X.3822 Further to our memo. E1/M10.2.27., please note we have instructed the D.O. to go ahead with LeC.2378½, together with an exhaust cam to suit, the latter having the time period of the sharp acceleration decreased by one division, but otherwise the same as present exhaust cam. These proposals have been approved by the committee, and subject to not receiving instructions to the contrary, will be carried xxxx out. A blueprint of the modified exhaust valve lift curve will be sent as soon as we receive particulars from Derby. E.{Mr Elliott - Chief Engineer} | ||