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).
Proposal to test alternative friction plate materials from Ferodo Co. for the rear shock absorber.
| Identifier | ExFiles\Box 78\2\ scan0315 | |
| Date | 29th July 1920 | |
| X3461 BY14/H.{Arthur M. Hanbury - Head Complaints} 29. 7. 20. Ms. c. Hs.{Lord Ernest Hives - Chair} X3461 REAR SHOCK ABSORBER. RE FIBRE FRICTION PLATES. ------------------------ At the present moment we use Red Fibre Friction Plates in the Rear Shock Absorber, which when originally erected, are greased, but the grease rapidly wears off, and as a result, the red fibre powders away, under the excessive work, absorbed by friction in the shock absorber. In view of this, we would like you to write to the Ferodo Co. and ask them to supply us with a number of rings to the same drawing as the red fibre, in either their 9.M. material, or their later type of non-woven material with the object of trying them out under service conditions in the above unit. In addition to trying one or the other of the above materials, according to which Mr. Frood selects, Hs.{Lord Ernest Hives - Chair} would like to have discs made up from the E.424. spring inter-leaving cotton fabric, which was produced by impregnating loosely woven cotton with carbon and graphite, and then pressing same up solid. We would like to have six sets of one of the Ferodo Asbestos Materials referred to above, and six sets of the cotton E.424. referred to above. BY.{R.W. Bailey - Chief Engineer} | ||