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 clutch and brake faults reported between January and June 1939.
| Identifier | ExFiles\Box 131\3\ scan0068 | |
| 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 BRAKE SQUEAK A - ROUGH UP RESET B - RELINE C - FIERCE POLISH DRUMS D - FRONT PULL UNEVEN E - HAND BRAKE POOR F - ANTI JUDDER LINKS RATTLE G - REAR STICKS BRAKES INEFFICIENT RELINE OR ROUGH UP SERVO A - ROUGH UP B - RELINE BRAKE MECHANISM SQUEAKS Chart Data: Clutch Jagger (JAN): G,E,B,A, Total 7 Clutch Jagger (FEB): A,E,B, Total 3 Clutch Jagger (MAR): H,C, P181, Total 8 Brake Squeak (JAN): D,B,C,G, P159, Total 10 Brake Squeak (FEB): B,A, Total 13 Brake Squeak (MAR): G,C,D,B, Total 20. Annotation: 31500 MILES, 22000 MILES Brakes Inefficient (JAN): B,A, Total 4 Brakes Inefficient (FEB): A,B, Total 7 Brakes Inefficient (MAR): B,A, Total 5 Brake Mechanism Squeaks (JAN): Total 2 Brake Mechanism Squeaks (FEB): Total 2 Brake Mechanism Squeaks (MAR): HAND BRAKE, P185 Notes on right: 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 G.W.H. 5 | ||