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).
Summary report on various brake system faults, statistics, and remedies across different car models.
| Identifier | ExFiles\Box 47\3\ Scan475 | |
| Date | 1st June 1932 guessed | |
| -2- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. BRAKES SEIZE REAR. June Quarter. C.C. 6 14 - 3 23 } 33 Modification to 20/25 HP. rear brake W.P. 2 8 - - 10 } shaft bearing is being carried out on all cars as they become Previous " C.C. 4 18 - 1 23 } 31 available as per Depot Sheet Hd.{Mr Hayward/Mr Huddy} W.P. - 7 - - 8 } 220 Hd.{Mr Hayward/Mr Huddy} not troubled. (handwritten) Six months. 12 47 - 5 64 64 BRAKES THUMP. June Quarter. C.C. - 2 - 6 8 } 8 Generally due to insufficient W.P. - - - - - } poundage on the Servo Pendulum Lever and may be cured by Previous " C.C. - 4 1 3 8 } 10 adjustment. W.P. - 2 - - 2 } Only customers complaints mentioned. (handwritten) Six months. - 8 1 9 18 18 BRAKES INEFFICIENT. June Quarter. C.C. 2 25 5 15 47 } 51 Inefficiency on 20/25 HP. is now W.P. - 1 - 3 4 } being dealt with by re-lining the servo and fitting oil guards to Previous " C.C. 2 9 2 12 25 } 26 Depot Sheet Hd.{Mr Hayward/Mr Huddy}224. W.P. - 1 - 1 2 } A number of Ph.II cars are still fitted with Ferobestos liners Six months. 4 35 7 31 77 77 which are now replaced by Ferodo. BRAKES TOO MUCH TRAVEL. June Quarter. C.C. - - - 1 1 } 1 W.P. - - - - - } Previous " C.C. - 1 - 1 2 } 2 W.P. - - - - - } Six months. - 1 - 2 3 3 | ||