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).
Axle ratios and weights for Mr. Geoffrey Summer's cars.
| Identifier | ExFiles\Box 69\4\ scan0305 | |
| Date | 14th December 1925 | |
| X8771 To BJ: from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}1/LG14.12.25. X1725 +411I X4578 MR. GEOFFREY SUMMER'S CAR - 117-MC. BJS/H11.12.25. We have confirmed that the axle ratio on his Silver Ghost car was 16/52, and also that the axle ratio on his present Phantom is 16/52. From our records, the weight of his old Silver Ghost car was 38 1/4 cwts. Attached herewith is the Expl: Dept's remarks on the figures obtained by Mr. Geoffrey Summers. When you send him a copy of Mr. Geoffrey Summer's report on to R.{Sir Henry Royce}, you might like to attach a copy of the experimental remarks - we are therefore sending you an extra copy. Hs.{Lord Ernest Hives - Chair} | ||