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).
Scheme N.2196 for the 20HP servo gear, detailing its flexibility and an increased separating spring.
| Identifier | ExFiles\Box 67\1\ scan0032 | |
| Date | 31th May 1926 | |
| X8370 TO BY.{R.W. Bailey - Chief Engineer} FROM DA.{Bernard Day - Chassis Design} C. to BJ. HS.{Lord Ernest Hives - Chair} DA{Bernard Day - Chassis Design}4/M31.5.26. 20HP. SERVO GEAR -X.5370. Herewith we send N.Scheme 2196. shewing the flexibility in the servo operation on the 20HP. similar to that recently sent you for the Phantom. We also shew the increased separating spring betweem the servo plates. DA.{Bernard Day - Chassis Design} | ||