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).
Instruction to modify the upper valve bleed hole for the thermostat water temperature control on the Bentley k series.
| Identifier | ExFiles\Box 87\1\ scan0264 | |
| Date | 15th November 1937 | |
| 240 To By.from Rm{William Robotham - Chief Engineer}/Std. Rm{William Robotham - Chief Engineer}/Std.8/MH.{M. Huckerby}15.11.37. When instructing and detailing in accordance with the standardisation sheet for dummy shutters and bypass thermostat water temp. control to Lec.3488 and Rm.{William Robotham - Chief Engineer}369 on Bentley k series, will you please modify the upper valve EB.680 to have a .092 bleed hole instead of the two larger ones shown on the drawing. This will bring it in line with the scheme which ran 15,000 miles. Rm{William Robotham - Chief Engineer}/Std. | ||