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).
Statement regarding the maintenance of diaphragms and potential leakage issues.
| Identifier | ExFiles\Box 149\6\ scan0106 | |
| Date | 5th November 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems}1/MH.{M. Huckerby}5.11.37. (e) We do not consider it necessary to change the diaphragm at frequent intervals and if you use the oil silk now standardised should not have trouble with porous diaphragms. In any case leakage through thevent holes will not cause a hold-up on the road. Rm{William Robotham - Chief Engineer}/JBD.{John B. Dixon - Fuel Systems} | ||