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).
The implementation of silent chain drive technology on a Spectre experimental engine.
| Identifier | ExFiles\Box 4\1\ 01-page039 | |
| Date | 7th March 1934 | |
| SECRET Hs{Lord Ernest Hives - Chair} L4894 To E.{Mr Elliott - Chief Engineer} From Sg.{Arthur F. Sidgreaves - MD} Copy to Mr. Hs.{Lord Ernest Hives - Chair} Re SpectreCodename for Phantom III. Sg{Arthur F. Sidgreaves - MD}11/W/7.3.34 Referring to our Conversation yesterday in view of the reports from America via Bm. about silent chain drive, I was very glad to hear you agreed that we ought to bring through one of the SpectreCodename for Phantom III experimental engines with this. It appears quite evident that a lot of very important developments have taken place since we last went into the matter, of which we ought to take advantage. Sg.{Arthur F. Sidgreaves - MD} | ||