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).
Design alterations and testing for Bentley thermostats and air intake systems.
| Identifier | ExFiles\Box 156\1\ scan0043 | |
| Date | 13th July 1934 | |
| X1328 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. HS{Lord Ernest Hives - Chair}/TD. E.3/HP.13.7.34. Bentley Thermostats. Referring to your memo HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}3/KW.12.7.34, we note that you have now altered the clearances and bypass leakage hole as per our recent instructions. The trouble of the thermostat control sticking should never have arisen as our original design shows .050 clearance on the lower guide and an equivalent slackness should have been instructed for the upper drive. We were however defeated by the detailers idea of what the fits should be. With regard to the question of air intake temperature, we have various schemes for getting some hot air if required, but it is not too easy having regard to the air silencing system, and we therefore feel we want to know the results of running on low air temperature. We do not however want to wait until the winter weather comes for these results, particularly as we are somewhat committed to this scheme in other directions, and we should like to know if there is any prospect of carrying out the tests, forthwith. Steadman Can you think of any way we could do this? [Signature] | ||