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 issues and repairs by month for the first half of 1939.
| Identifier | ExFiles\Box 131\3\ scan0060 | |
| Date | 30th June 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 G - WORN OUT DAMPER Chart Data for Clutch Jagger: JAN: Total 7 (Categories A, B, C, E, G) FEB: Total 3 (Categories A, B, F) MARCH: (Categories C, H) Annotation: P181 APRIL: (Category B) 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 Chart Data for Brake Squeak: JAN: Total 10 (Categories A, B, D, G) Annotation: P 159 FEB: Total 13 (Categories A, B) MARCH: (Categories A, B, C, D, E, F, G) Annotations: 31,500 MILES 20, 22,000 MILES BRAKES INEFFICIENT RELINE OR ROUGH UP SERVO A - ROUGH UP B - RELINE Chart Data for Brakes Inefficient: JAN: Total 4 (Categories A, B) FEB: Total 7 (Categories A, B) MARCH: Total 6 & 5 (Categories A, B) BRAKE MECHANISM SQUEAKS Chart Data for Brake Mechanism Squeaks: JAN: Total 2 FEB: Total 2 MARCH: Annotation: HAND BRAKE P185 Notes: C WORN DOWN TO RIVETS AVERAGE MILEAGE 23,000 COMPLAINTS REPORTED ARE BASED ON A MILEAGE UP TO 13,000. ABOVE THIS THEY ARE GENERALLY CHARGED FOR AND NOT REPORTED. G.W.H. 5 | ||