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 of a standard piston after undergoing scuffing tests.
Identifier | ExFiles\Box 145\3\ scan0172 | |
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 SCUFFED AFTER ONE RUN ON MOBILCIL "ARTIC" OIL TEST CONSISTED OF :- 30 MINS. AT IDLING SPEED (WARMING UP FROM COLD). 3 HRS. at 1500 R.P.M. LIGHT LOAD (NORMAL WATER JACKET TEMP. 75° - 80°C. | ||