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).
The American practice of fixing piston ring stops to resolve over-oiling issues.
| Identifier | ExFiles\Box 16\1\ Scan143 | |
| Date | 29th December 1922 | |
| X741 Row...son.P. G.Hd.{Mr Hayward/Mr Huddy} c. SJ. c. Bye c. Hs.{Lord Ernest Hives - Chair} Genl. EP{G. Eric Platford - Chief Quality Engineer}5/H29.12.22. RE. AMERICAN PRACTICE.-PISTON RING STOPS. X741 x8666 With reference to your R3/H28.11.22, Springfield are now fixing piston ring stops as per our standard design, and have been doing so for some time. They experienced trouble with over-oiling, which trouble they pointed out was overcome by reverting to the old practice of fixing the stops. EP.{G. Eric Platford - Chief Quality Engineer} RECEIVED DEC HE 1922 | ||