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).
Page comparing components to the 25/30 model, discussing Wraith chassis weight reduction and Phantom III engine development.
| Identifier | ExFiles\Box 96\4\ scan0095 | |
| Date | 3rd September 1936 guessed | |
| (3) Lighter battery. } " steering box. } " rear axle. } Compare 25/30. " transmission. } " gearbox. } " crankcase and engine mounting. } " wheels and tyres. } In spite of this however it is anticipated that the Wraith chassis will not be appreciably lighter than the 25/30. Summarising the position we maintain that substantial reduction of weight in the chassis must be accompanied by a similar reduction in the weight of coachwork and equipment and also requires a revision of chassis features. At the same time provision for increase in cylinder bore is also suggested in connection with any new work on Phantom III engine. E | ||