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).
Specification sheet detailing buffer clearances and alterations for the front suspension of the 27-EX model.
| Identifier | ExFiles\Box 154\1\ scan0098 | |
| Date | 31th January 1934 | |
| To Rm.{William Robotham - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} Hs{Lord Ernest Hives - Chair}/Les.14/KW.31.1.34. Buffer Clearances - 27-EX. -------------------- Together with the attached sketch the following figures show the alteration in the front suspension with the car laden and unladen. A packing of .150" thick has been added against the main coil spring in order to bring the arms straight. A B C D UNLADEN 9.325" 9.325" 9.300" 9.325" LADEN 9.275" 9.200" 9.075" 9.275" Deflection at Road Wheel .075" 0.175" Road wheel movement before hitting buffer springs and stops taken from the drawing :- Bump Buffer Spring 2.450" " Stop 3.380" Re-bound Buffer Spring 1.650" " Stop 2.450" Hs{Lord Ernest Hives - Chair}/I.A.Leslie. | ||