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).
Standard and experimental springs for the 23 HP model.
| Identifier | ExFiles\Box 146\2\ scan0068 | |
| Date | 16th January 1937 | |
| 1245 W/P. - Sr. Rm{William Robotham - Chief Engineer}/Les.6/JH.16.1.37. 23 H.P. SPRINGS. The standard low rating springs are :- Front 4" initial deflection. Periodicity 94. Rear 6.4 initial deflection Periodicity 73. We have been experimenting with some front springs having. 5.5" initial deflection periodicity 80. These special front springs were fitted to 22-G-V and 3 other cars at the works. Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie} | ||