Secret memo regarding the substitution of Oilite bushes for needle roller bearings on the Front Brake Actuating Lever for the Spectre frame.
| Identifier | ExFiles\Box 92\4\ scan0085 | |
| Date | 15th August 1935 | |
| BT. {Capt. J. S. Burt - Engineer} x3076 C.E. Hs. {Lord Ernest Hives - Chair} Hdy. {William Hardy} RHC. {R. H. Coverley - Production Engineer} Da. {Bernard Day - Chassis Design} l/HP.15.8.35. SECRET. Front Brake Actuating Lever on Frame - Spectre(Codename for Phantom III). Herewith is N.Sch.4569 which shews Oilite bushes substituted for the needle roller bearings now used. This overcomes the difficulty of grinding the needle bearing bushes, now being experienced and simplifies the job. The bracket is lightened by becoming an aluminium alloy forging. N.Sch.4569 herewith. Da. {Bernard Day - Chassis Design} | ||
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).