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).
The correct springs and buffer clearance for Mr. Geoffrey Summers' car 117-MC.
| Identifier | ExFiles\Box 47\1\ Scan309 | |
| Date | 22th June 1926 | |
| To Hm{Capt. W. Hallam - Head Repairs}/NRC.{N. R. Chandler} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} XL417 Hs{Lord Ernest Hives - Chair}/Rml/LG22.6.26. With reference to the springs fitted to Mr. Geoffrey Summers car 117-MC - these should be :- 1500 lbs. F.10565 1600 lbs. F.10566 20% stiffer F.10563. These will give a buffer clearance of 3.475" in the normal load position. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||