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 various engine faults and modifications over the first six months of 1939.
| Identifier | ExFiles\Box 131\3\ scan0058 | |
| Date | 30th June 1939 | |
| 1939 JAN FEB MARCH APRIL MAY JUNE ROW 1: ENGINE THROTTLE STICKING DUE TO RETURN SPRING STRETCHING DISTORTION OF THROTTLE BODY GUMMINESS. LEGEND: A - NEW SPRINGS, B - LUBRICATED, C - DISTORTED. DATA JAN: Bar total 17, segments B, 3 C, 13, A.{Mr Adams} DATA FEB: Bar segments B, C, A, A.{Mr Adams} Ref W301. DATA MAR: Bar segments A, W328, A, C, C. DATA APR: Bracketed numbers 7, 1, 7. NOTE: MODIFIED SPRING ANCHORAGE AND NEW SPRING IS BEING FITTED. ROW 2: NOISY VALVE GEAR DUE TO WORN TAPPETS ROLLERS AND PINS. DATA MAR: Bar with bracketed number 6. NOTE: 21,000 MILES. ROW 3: HEAVY OIL CONSUMPTION. DATA FEB: Bar segments K, P169, P161, P159, W316. DATA MAR: Bar with bracketed number 7, segments B, K, A, W316, W320. NOTE: L SECTION RING FITTED. ROW 4: POOR PERFORMANCE IRREGULAR SLOW RUNNING. DATA FEB: Bar with bracketed number 4, ref W301. DATA MAR: Bar segments K, P189. NOTE: VALVE SEATS DISTORTED M.R. SERIES. ROW 5: EXHAUST MANIFOLD STUDS BROKEN. DATA MAR: Bar with '+' symbol. DOCUMENT REF: GWH{George W. Hancock - Head Chateauroux} 3 | ||