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 standard axle design for the Phantom and its application to the 20 HP model.
| Identifier | ExFiles\Box 67\2\ scan0299 | |
| Date | 29th April 1927 | |
| To BJ. from R.{Sir Henry Royce} +8420 c. to OY. Hs.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer} RA/M29.4.27. AXLE DESIGN. X. 8420 X. 5420 The second and present standard on the Phanton, which is also standard on the American chassis, has proved a decided advance on the first front wheel brake axle. The reasons are too numerous to be given here. The result is that we are making thw 20 HP. to similar physical quanti ties and the same general design. R.{Sir Henry Royce} | ||