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).
Photograph and report of a piston scuffing test on a standard E.60632 piston.
| Identifier | ExFiles\Box 148\3\ scan0323 | |
| Date | 5th April 1938 guessed | |
| PISTON SCUFFING TESTS. STANDARD E.60632 PISTON (NOT TIN-PLATED). E.60820 COMPRESSION RING. E.61123 "L" SECTION RING. E.60821 SCRAPER RING. PISTON SHOWS NO SIGN OF SCUFFING AFTER RUN WITH MOBILOIL "A" DE LAVAL OIL AS USED ON PRODUCTION TEST CONSISTED OF :- 30 MINS. AT IDLING SPEED (WARMING UP FROM COLD). 3 HRS. AT 1800 R.P.M. LIGHT LOAD (NORMAL WATER JACKET TEMP. 75°- 80°C. | ||