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).
Trial of an exhaust-heated throttle and potential issues with engine lubrication in cold conditions.
| Identifier | ExFiles\Box 50\3\ Scan221 | |
| Date | 25th July 1922 guessed | |
| Oy4-W-7622 -2- Re Hot Throttle paratively independent of water temperature. We, therefore, do not feel that we are in any urgent necessity of changing from the present induction system, and shall therefore like to make a very thorough trial of the exhaust heated throttle under all weather conditions before deciding on any change. Another point that we fear is that if we make the cars so that they can be driven hard when very cold it is just possible that we may meet trouble with the engine lubrication failing, due to cold oil. We shall watch for this with the heated throttle. Oy. M. {Mr Moon / Mr Moore} Olley | ||