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).
Confirming no alterations have been made to the Phantom II cylinder head combustion chamber.
| Identifier | ExFiles\Box 182\M19\ img211 | |
| Date | 18th July 1931 | |
| Nasty! To E.{Mr Elliott - Chief Engineer} From Hs.{Lord Ernest Hives - Chair} ORIGINAL Hs.{Lord Ernest Hives - Chair}3/MJ.18.7.31. X7050. PHANTOM II CYL. HEAD. When I was at W.W. the other day you mentioned that you thought the Phantom II cylinder head had been modified, making the sides of the combustion chamber parallel. This is not the case. There has been no alteration to the combustion chamber since it was first introduced. Hs.{Lord Ernest Hives - Chair} | ||