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).
Bar chart tracking customer complaints for clutch and brake issues during the first half of 1939.
| Identifier | ExFiles\Box 131\3\ scan0113 | |
| Date | 1st January 1939 | |
| 1939 JAN FEB MARCH APRIL MAY JUNE CLUTCH JAGGER A - UNIT CHANGED B - PLATE CHANGED C - RELINED D - EASE SPLINES E - RESET FINGERS F - RESET PROP SHAFT DAMPER G - WORN OUT H - THRUST RACE NOISY Chart data text includes: 7, 3, P.181, >8, SLIPS AT SPEED, P.216, P.240, W.357, C WORN DOWN TO RIVETS AVERAGE MILEAGE 23,000 COMPLAINTS REPORTED ARE BASED ON A MILEAGE UP TO 13000 ABOVE THIS THEY ARE GENERALLY CHARGED FOR AND NOT REPORTED BRAKE SQUEAK A - ROUGH UP RESET B - RELINE C - PIERCE POLISH DRUMS D - FRONT PULL UNEVEN E - HAND BRAKE POOR F - ANTI JUDDERLINKS RATTLE G - REAR STICKS Chart data text includes: 10, P.158, 13, 31500 MILES 20, 22000 MILES, 21520, AVERAGE 23595 A, W.340 BRAKES INEFFICIENT RELINE OR ROUGH UP SERVO A - ROUGH UP B - RELINE Chart data text includes: 4, 7, 5, 6 BRAKE MECHANISM SQUEAKS Chart data text includes: 2, 2, P.185, HAND BRAKE GWH{George W. Hancock - Head Chateauroux} 5 | ||