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 specifications for fitting low rating road springs and dampers to a 20-GIV chassis.
| Identifier | ExFiles\Box 55\1\ Scan113 | |
| Date | 9th December 1931 | |
| 85992. RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}1/AD9.12.31. 20-GIV ROAD SPRINGS. R.{Sir Henry Royce} has asked to have low rating road springs fitted to 20-GIV. Will you please arrange therefore, to have the following springs fitted :- Front 750 lbs F.57903 Rear 1000 lbs F.57906 The damper loads to suit these springs are :- Front H.P. 115lbs L.P. 90lbs. One .044" dia. hole in H.P. valve. Rear H.P. 115lbs L.P. 90lbs. Two .038" dia. holes in H.P. valve. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||