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).
Serious engine failure at 6,400 miles due to valve breakage on the Spectre project.
| Identifier | ExFiles\Box 91\1\ scan0011 | |
| Date | 10th July 1935 | |
| SECRET. HS{Lord Ernest Hives - Chair} [Handwritten, crossed out] x300 [Handwritten] To Wor.{Arthur Wormald - General Works Manager} from Sg.{Arthur F. Sidgreaves - MD} re SpectreCodename for Phantom III. Sg{Arthur F. Sidgreaves - MD}13/E10.7.35 Copy to E.Hs.{Lord Ernest Hives - Chair} I am very sorry to see the serious engine failure at 6,400 miles owing to valve breakage. I have been keeping a note of the chief troubles which have occurred since the test started and attach a list. I thought it would be helpful if I sent this in advance so that we could be informed at the meeting on Friday re action being taken regarding these troubles. Sg.{Arthur F. Sidgreaves - MD} Enc. | ||