Cut-away section of a crank showing a method to prevent oil leaking into the clutch pit for a Vauxhall '25' engine.
| Identifier | ExFiles\Box 115\3\ scan0061 | |
| Date | 2nd October 1937 | |
| CUT-AWAY SECTION OF CRANK TO SHOW :- A) GROOVE AT END OF REAR MAIN BEARING WITH 2 HOLES WHICH CONNECT WITH THE 2 MAIN DRAIN HOLES. B) DEEP CHANNEL INTO WHICH OIL IS FLUNG, WHICH GETS PAST GROOVE A DIRECTLY CONNECTED WITH TWO MAIN DRAIN HOLES WHICH SLOPE BACK INTO CRANKCASE. C) RETAINING GROOVES TO PREVENT EXIT OF OIL WHICH HAS NOT ALREADY BEEN STOPPED BY A & B. BEARING SHELL. BEARING CAP. VAUXHALL '25' (1937). METHOD OF PREVENTING OIL LEAK INTO CLUTCH PIT. RM {William Robotham - Chief Engineer} 456. ROLLS-ROYCE LTD. PRINT ROOM 2 OCT 1937 DERBY. | ||
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).