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).
Blueprint chart tracking component faults by month for the first half of 1939.
| Identifier | ExFiles\Box 131\3\ scan0070 | |
| Date | 25th April 1939 guessed | |
| 1939 JAN FEB MARCH APRIL MAY JUNE HYDRAULIC SHOCK DAMPERS A - OIL LEAK B - INTERNAL KNOCK C - ADJUST RIDE CONTROL D - CONNECTING LINKS SLACK E - TIGHT PISTONS Chart Data: JAN: D, B, B, P 177, P 171 FEB: B, D MARCH: C, A, D, D, B AVERAGE MILEAGE JAN. B 41000 D 36900 FEB. B 26800 MARCH B 30050 D 25000 GEAR BOX NOISY A - COMING OUT OF ENGAGEMENT B - OIL LEAK C - STRAINED SELECTOR GATE D - WORN BEARINGS E - GEARS NOISY SEIZED Chart Data: JAN: C, A, E SEIZED FEB: E MARCH: W 292, W 314 DYNAMO TROUBLES A - OILED UP COMMUTATOR B - FAULTY REGULATOR C - BRUSH STICKING D - DRIVE RATTLE Chart Data: JAN: B, C FEB: C, B, B, W 317 MARCH: C, A, B, B, 7 APRIL: A, B, A, RACES NOISY, N.S.F, W 317, W 322 ROAD WHEEL HUBS RUBBING A - ADJUST END FLOAT B - FAULTY RACES Chart Data: JAN: A, B, B, P 161 FEB: B AVERAGE MILEAGE JAN. A 3500 B 10000 FEB. B 26500 CLOCKS FAULTY AVERAGE MILEAGE JAN. 16000 FEB. 14800 PETROL GAUGE FAULTY T - TANK UNIT G - GAUGE Chart Data: FEB: T MARCH: T, G, P 174, W 284, W 301 APRIL: G, T GWH.{George W. Hancock - Head Chateauroux}7 | ||