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).
Performance data for a 22 hp 'Silent Knight' Daimler and road test results for a 19.6 hp 'Star' car.
| Identifier | ExFiles\Box 20\6\ Scan004 | |
| Date | 4th September 1909 | |
| R.R. 148 (30 H) (C. 898, 26.3.09) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 6740. 3800 X985 22 hp "Silent Knight" Daimler car ran from Coventry to Chester (115 miles) on four galls. petrol - this car has often done - 30 miles to the gall. Extract from "Automotor" 4-9-09. "Star"Cars" From "Autocar" 4-9-09 RAC certificate - Monthly Trials 19.6 hp RAC rating Road test. Miles Involuntary stops Petrol consumd galls Consumption m.p.g. Consumption ton m.p.g. 1054 3/4 Nil 4.6 22.8 30.1 Track Test P.T.O. | ||