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).
Issuance of blueprints for a spring drive system and its components for a cast iron engine.
| Identifier | ExFiles\Box 124\2\ scan0035 | |
| Date | 7th February 1940 | |
| 1044 TO. Rm.{William Robotham - Chief Engineer} File EV{Ivan Evernden - coachwork}/HH.2./ 7. 2. 40 Clan/EXP. B. 60 R.R.Type Spring Drive to suit Cast Iron Engine. PD. 439 and SCD.1043. Spring Drive. Sec: 5020. Please receive herewith blue prints of the following new details & LOP. RE. 145. Driven Dog RE. 146. Crankshaft Pinion RE. 162. Distance Piece RE. 163. Driving Pin RE. 214. Stud RE. 213. Spring Drive LOP. This completes the instructions for the above section and is required for RIPPLET CHASSIS in accordance with specification. EV{Ivan Evernden - coachwork}/HH. | ||