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).
Awaiting the results of modified pistons designed to increase skirt flexibility and prevent knocking.
| Identifier | WestWitteringFiles\N\October1925-December1925\ Scan95 | |
| Date | 18th November 1925 | |
| TO HS.{Lord Ernest Hives - Chair} FROM R.{Sir Henry Royce} ORIGINAL. R3/M18.11.25. MODIFIED PISTONS. X8040 We are anxiously awaiting the result of the modification to the pistons (giving the opportunity of greater flexibility of skirt), to prevent knocking, and difficulties of piston pins in pistons. R.{Sir Henry Royce} [STAMP] RECEIVED HS{Lord Ernest Hives - Chair} 18 NOV 1925 | ||