Road test report for a petrol tank fitted to a 20 HP car, detailing routes, road conditions, and temperatures.
| Identifier | ExFiles\Box 44\3\ Scan126 | |
| Date | 19th November 1928 | |
| +4306 Petrol tank to scheme No. 2576/2578. K.S.175. fitted on luggage carrier of 20 h.p. car G.O.K.72. Suspension very good. Over-size tyres 33 x 5.77. Pressure 35 lbs. per sq.in. Car driven on its own petrol system. Level in test tank constant during each run. Notes. Roads:- Great West Road and Bath Road, Acton, Chiswick, Maidenhead, Henley, Oxford, with detours on to country bye roads interspersed in all tests. Dry roads on 17/11/28 and 18/11/28. Wet roads on 19/11/28. London temperatures:- 17/11/28 - 52°/46° F. {Mr Friese} 18/11/28 - 54°/41° F. {Mr Friese} | ||
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).