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).
Valve design to prevent a piston effect and issues with trapped air in the oil circulation.
| Identifier | WestWitteringFiles\O\January1926-March1926\ Scan52 | |
| Date | 10th February 1926 guessed | |
| (2) sketch of a valve designed so as not to have the piston effect. We shall send you this valve as soon as it is finished. We can see that air can be trapped in the valve chamber in the piston, and we propose to send you some suggestions as to how this can be reduced. If there is any circulation of oil with the reservoir, air is liable to be carried round with the circulation. Is it likely that anything of this kind is happening? We cannot see that the circulation is anything like fast enough to really produce this phenomenon. DA.{Bernard Day - Chassis Design} | ||