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 bar chart tracking vehicle mechanical faults over a six-month period in 1939.
| Identifier | ExFiles\Box 131\3\ scan0061 | |
| Date | 30th June 1939 | |
| 1939, JAN, FEB, MARCH, APRIL, MAY, JUNE, BRAKES THUMP, RESET, SWINGING ARM, SQUEAK, STEERING TROUBLES, A - WANDERING, RESET CROSS AND SIDE STEERING TUBE POUNDAGE, B - BALANCE FRONT WHEELS, C - CONTROLS RATTLE FIT MOD., D - KNOCK FROM SIDE STEERING TUBE, E - COLUMN RACE SLACK, F - CHECK SPRING CLIPS, G - SLACK PIVOTS, H - STICKING EASE, WORM AND NUT, J - BOX LOOSE ON FRAME, K - WORN BALL PINS, L - AXLE TWISTED, M - SLACK WORM AND NUT, MARLES STEERING, X FAILURE OF FW 905 CAM ROLLER, P197, W322, FOULING D, MOD, 9000 MILES, 15000, P177, P159, W301, 7, 25, 18, FRONT AXLE, CONTROL RATTLE, P161, P160, P177, P181, P185, PROP SHAFT, DAMPER SIEZED, LOOSE, AVERAGE MILEAGE, JAN 25750, FEB 23786, AVERAGE MILEAGE, JAN 31850, G.W.H.G | ||