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).
Complaints of creaking road springs on centrally lubricated 20-HP cars.
| Identifier | ExFiles\Box 106\1\ scan0166 | |
| Date | 24th January 1930 | |
| Sèvres P/W. copy "Hs{Lord Ernest Hives - Chair}" X 5410 Ps10/RJ.24/1/30 Re: Road springs creaking on 20-HP Cars centrally lubricated We are receiving complaints of squeaking springs on those cars the spring leaves of which are automatically lubricated. I think it is a question of easing off high spots, and maybe once this is effected the lubrication scheme will prevent further trouble. Ps. P.S.- R.R. of America I believe put their springs through a bumping jig test before fitting them to the cars. | ||