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).
Modifications for Chassis 1719 (Bolton) and 1869 (Gjers) to achieve higher speeds.
| Identifier | ExFiles\Box 19\7\ Scan024 | |
| Date | 7th September 1911 | |
| R.R. 25M (100 T) S.H. 89. 22-7-20; G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2768 X.790. Copy. Mr. Swetnam. 7 Sept. 1911. Re Chassis 1719 (Bolton) and 1869 (Gjers). The above cars will be fitted with the following fittings to render them capable of running at a higher speed than our standard cars :- 1. The compression should be increased to reduce the clearance volume one cubic inch. The shops have been instructed to this effect. 2. One of the newly designed camshafts should be fitted. 3. Free exhaust, and 4. Larger carburetter. | ||