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).
List of faults from past models, compiled from service complaints, to inform the development of the Wraith.
| Identifier | ExFiles\Box 131\2\ scan0078 | |
| Date | 11th November 1937 | |
| DX c Rm{William Robotham - Chief Engineer} Mx{John H Maddocks - Chief Proving Officer}10/T1.11.37 Here is a list of faults on past and present productions i.e. 20/25HP. 25/30HP. and Phantom III, mainly compiled from complaints in service which should be borne in mind in developing and producing the Wraith. They are classified as far as possible under the following headings - Engine Transmission Brakes Suspension Steering Miscellaneous. Mx{John H Maddocks - Chief Proving Officer} [Signature] | ||