Brake sponge on a Spectre model, suggesting testing cast-iron shoes instead of aluminium.
| Identifier | ExFiles\Box 92\4\ scan0012 | |
| Date | 15th September 1934 | |
| To RHC. {R. H. Coverley - Production Engineer} X4644 306 Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 14/KW.15.9.34. Spectre(Codename for Phantom III) Brakes. We find a considerable amount of brake sponge on this car is due to deflection of the aluminium shoes. For test purposes therefore will you please put in hand similar shoes in cast-iron for the foot brakes, front and rear. Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} | ||
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).