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).
Engine performance, capacity, and luxury body requirements for the 20 HP model.
| Identifier | ExFiles\Box 124\5\ scan0010 | |
| Date | 1st November 1929 | |
| Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}4/ADL.11.29 contd. -2- be of great service to us to have one to refer to as an example of the performance which some of our customers require, and which we should expect to be able to equal with an engine of 75% greater capacity i.e. our 20 HP., carrying the type of luxury body which our customers demand. HS{Lord Ernest Hives - Chair}/sa. | ||