Specification memo for the flywheel and clutch of the Conventional 'S' No.1 Unit.
| Identifier | ExFiles\Box 124\1\ scan0112 | |
| Date | 18th May 1939 | |
| 1044 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} /CT. B. to Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} c. to By {R.W. Bailey - Chief Engineer} /CS. Rm {William Robotham - Chief Engineer} /WRC.1/JH.18.5.39. CONVENTIONAL 'S' No.1. UNIT. The flywheel should be to drawing Rm. {William Robotham - Chief Engineer} 573 and the clutch 11" long with red springs. This specification will apply to all 3.5 bore 8 cylinder units unless at any time we wish to make a lighter flywheel for which a special rim would be designed. Rm {William Robotham - Chief Engineer} /WRC. | ||
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).