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).
Chart tracking engine performance issues and modifications from January to June 1939.
| Identifier | ExFiles\Box 107\2\ scan0076 | |
| Date | 1st June 1939 | |
| 1939 JAN, FEB, MARCH, APRIL, MAY, JUNE ISSUE: ENGINE THROTTLE STICKING DUE TO RETURN SPRING STRETCHING, DISTORTION OF THROTTLE BODY, GUMMINESS LEGEND: A - NEW SPRINGS, B - LUBRICATED, C - DISTORTED, D - SHORT LINK FITTED NOTE: MODIFIED SPRING ANCHORAGE AND NEW SPRING IS BEING FITTED. DATA: JAN(13, B, C, A), FEB(W301, A, C, B), MARCH(A, W328, A, C, 7, 1), APRIL(C, A), MAY(D, A, C) ISSUE: NOISY VALVES GEAR DUE TO WORN TAPPETS, ROLLERS AND PINS NOTE: 21000 MILES, APRIL 28907 MILES DATA: MARCH(6, B) ISSUE: HEAVY OIL CONSUMPTION A B LOSS OF OIL PRESSURE WHEN CORNERING NOTE: SECTION RING FITTED DATA: FEB(K169, P161, P159, W315), MARCH(B, 7, K, A, W316, W320), APRIL(A), MAY(P199, P200, W336, K) ISSUE: POOR PERFORMANCE IRREGULAR, SLOW RUNNING NOTE: VALVE SEATS DISTORTED, M.R. SERIES DATA: FEB(W301), MARCH(4, K, P189) ISSUE: EXHAUST MANIFOLD STUDS BROKEN NOTE: CRACKED MANIFOLD DATA: MARCH(4) REFERENCE: GWH{George W. Hancock - Head Chateauroux} 3 | ||