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).
Urgent request to manufacture a Phantom III flywheel ring with material and dimension specifications.
| Identifier | ExFiles\Box 93\3\ scan0324 | |
| Date | 29th June 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} 312 Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}8/JH.29.6.37. URGENT. Phantom III Flywheel Ring. Please make a flywheel ring to Rm.{William Robotham - Chief Engineer}403 herewith. The material shown is S/M, but other steel may be used if suitable forging can be found. The dias. 14.950 is marked "to suit" because the clutch cover drawing is marked + 10 or -10 and this dimension is required for a spigot. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} | ||