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).
Quarterly report summarizing modifications and issues for valves, springing, noisy tappets, and batteries.
| Identifier | ExFiles\Box 130\1\ scan0218 | |
| Date | 31th March 1935 guessed | |
| - 10 - VALVES MODIFIED. TOTAL. REMARKS. March Quarter. C.C. -) C.P. 60) 60 Split rings being fitted to all cars as they become available. Previous Quarter. C.C. -) C.P. 42) 42 Six Months. 102 SPRINGING. March Quarter. C.C. 29) C.P. 4) 33 These are mostly adjustments to shock dampers to suit individual requirements. In certain cases we have had to fit stronger springs because of heavy bodies. Previous Quarter. C.C. 19) C.P. 3) 22 N Six Months. 55 NOISY TAPPETS. March Quarter. C.C. 21) C.P. 3) 24 Usually only adjustment required to make standard. Previous Quarter. C.C. 12) C.P. -) 12 Six Months. 36 BATTERY RUN DOWN. March Quarter. C.C. 29) C.P. 1) 30 Modified regulator now being fitted to provide increased charge. Previous Quarter. C.C. 49) C.P. -) 49 Six Months. 79 | ||