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).
Statistical report on servo and clutch complaints for a six-month period including the March quarter.
| Identifier | ExFiles\Box 130\4\ scan0145 | |
| Date | 31th March 1937 guessed | |
| - 3 - 25 HP. 30 HP. PH.II. PH.III. TOTAL. GRAND TOTAL. REMARKS. SERVO JAGGERS AND GRABS. March Quarter. C.C. 9 3 5 - 17) C.P. 1 1 2 - 4) 21 Previous Quarter. C.C. 10 1 3 1 15) C.P. - - 1 - 1) 16 Six Months. 20 5 11 1 37 37 TOTAL CLUTCH COMPLAINTS. March Quarter. C.C. 81 17 10 42 150) C.P. 12 1 4 4 21) 171 Previous Quarter. C.C. 81 18 8 20 127) C.P. 50 1 2 - 53) 180 Six Months. 224 37 24 66 351 351 CLUTCH JAGGERS. March Quarter. C.C. 8 16 2 42 68) C.P. 2 1 1 4 8) 76 Previous Quarter. C.C. 8 16 - 20 44) C.P. 29 1 - - 30) 74 Six Months. 47 34 3 66 150 150 REMARKS for CLUTCH JAGGERS: 20/25 HP. R-R.{Sir Henry Royce} clutch. Majority of these are on cars without torque reaction dampers. Modification to synchromesh mechanism reduces jagger on second gear. Torque reaction dampers are being fitted retrospectively. 25/30 HP. Borg & Beck clutch. Propeller shaft dampers are being fitted in cases of complaint. Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}326. PH.III. These complaints are becoming numerous. CLUTCH SLIPS. March Quarter. C.C. 73 1 8 - 82) C.P. 10 - 3 - 13) 95 Previous Quarter. C.C. 73 2 8 - 83) C.P. 21 - 2 - 23) 106 Six Months. 177 3 21 - 201 201 REMARKS for CLUTCH SLIPS: 20/25 HP. Even with all the latest modifications the 20/25 HP. clutches have been very unsatisfactory and have not stood up to hard use. 25/30 HP. 1 Adjust clutch pedal. | ||