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).
Test results for rear shock absorbers comparing dry fibre, greased fibre, and Ferodo washers.
| Identifier | ExFiles\Box 78\2\ scan0325 | |
| Date | 21th September 1920 | |
| Hs.{Lord Ernest Hives - Chair} from RHC.{R. H. Coverley - Production Engineer} X3461 RHC{R. H. Coverley - Production Engineer}2/LG21.9.20. X3461/ RE REAR SHOCK ABSORBERS. We give below tests on rear shock absorbers with fibre and Ferodo discs:- Dry Fibre washers. 1st. stage 11 lbs. 2nd. " 20 " 3rd. " 29 " 4th. " 42 " Greased fibre washers. 1st. stage 11 lbs. 2nd. " 20 " 3rd. " 33 " 4th. " 47 " Ferodo washers. 1st. stage 12 lbs. 2nd. " 24 " 3rd. " 40 " 4th. " 57 " RHC.{R. H. Coverley - Production Engineer} | ||