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).
Flywheel and clutch component specifications for specific chassis units.
| Identifier | ExFiles\Box 130\3\ scan0079 | |
| Date | 24th April 1939 | |
| 1110. To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} c. to Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. to By/NS.{Norman Scott} Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}14/JH.24.4.39. FLYWHEEL & CLUTCH. Confirming our conversation, please fit the following :- Unit W.3.10. for chassis 14.B.V. Flywheel Rim. Rm.{William Robotham - Chief Engineer}570 (Light Type). Flywheel Disc. GB.4417. Unit W.3.9. Chassis 2.B.50. Unit B.V.1. Chassis 10.B.V. Flywheel Rim GB.4758 (originally Rm.{William Robotham - Chief Engineer}569). Flywheel Disc GB.4417 Clutch. 10" Long with orange springs. * Use GB.4417 if already made, but in future use GB.5013 originally Rm.{William Robotham - Chief Engineer}584, that is, do not produce any more GB.4417, but use those already finished. Will By/NS.{Norman Scott} please note that the disc shown on the part list GB.4762 should be altered from GB.4417 to GB.5013. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} | ||