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).
Decision memo changing the hardness specification for Phantom III engine rubbers.
| Identifier | ExFiles\Box 93\1\ scan0196 | |
| Date | 29th October 1935 | |
| To By: c. to Roy.{Sir Henry Royce} c. to RHC.{R. H. Coverley - Production Engineer} X322 Hs{Lord Ernest Hives - Chair}/Les.16/KW.29.10.35. Phantom III Engine Rubbers. It has now been decided that the rubber used in F.87575 and G.82625 should have a durometer reading of 45-50 and not 65-70 as shown on the drawings. At the moment we understand that the necessary steel parts are waiting at the rubber manufacturers for the decision on the hardness of the rubber. Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} | ||