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).
Recommendation to add a 30 cubic inch reservoir between the vacuum pump and the vacuum tank.
| Identifier | ExFiles\Box 40\3\ Scan069 | |
| Date | 16th September 1927 | |
| -2- It would appear that a reservoir of say 30 cubic inches between the vacuum pump and the vacuum tank, would improve the operation of the system under conditions when the intake vacuum was low. Yours very truly, Maurice Olley MO/E COPY | ||