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).
Test results for a heated riser on a Ph.III (Duplex Stromberg Carburetter), noting improved distribution.
| Identifier | ExFiles\Box 93\2\ scan0120 | |
| Date | 10th December 1935 | |
| To E.{Mr Elliott - Chief Engineer} x308 Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}11/KW.10.12.35. Ph.III (Duplex Stromberg Carburetter). In reply to E/PSN.1/MN.22.11.35, we have tested out the riser between the induction pipe and the carburetter to Rm.{William Robotham - Chief Engineer}5, with and without water heat. We find that at low speeds full throttle there is a definite improvement in the distribution by having the riser heated. In our mock-up system we do not experience any air locking in the riser when filling up the engine. Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell} | ||