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).
Cost comparison and savings analysis for different clutch manufacturing features.
| Identifier | ExFiles\Box 148\2\ scan0116 | |
| Date | 1st February 1939 guessed | |
| -2- 10" B&B £ s. d. {John DeLooze - Company Secretary} 11" B&B. £ s. d. {John DeLooze - Company Secretary} 9. Machine outside of cover plate and dowel. 6 8 10. Selection of cover and pressure plate, in order to avoid a lot of drilling. 2 6 2 6 11. Special method of balancing - locating from outside of cover instead of bolt holes. 1 0 1 0 12. Additional pressure plate finish. 6 8 Total - 11 3 13 2 In considering the "Long" type 10" diameter clutch, having a more commercial finish, we think that the following R.R. features are unnecessary:- Item. Saving. £ s. d. {John DeLooze - Company Secretary} 3. Special eye bolt nuts. 4 4. Enamelling pressure plate. 5 7. Polishing of actuating release lever. 6 8. Bonderizing and enamelling of cover. 1 0 9. Machining on outside of cover pressing. 6 10. Selection of cover and pressure plate. 2 6 11. Special method of balancing. 1 0 12. Additional finish of pressure plate. 6 Total - 6 9 | ||