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).
Quarterly statistical report on brake, servo, and clutch complaints for 25 HP and Phantom II models.
| Identifier | ExFiles\Box 130\1\ scan0309 | |
| Date | 31th December 1935 guessed | |
| - 3 - BRAKES INEFFICIENT. 25 HP. PH.II. TOTAL GRAND TOTAL. REMARKS. December Quarter. C.C. 77 23 100) C.P. 30 5 35) 135 Previous Quarter. C.C. 102 34 136) C.P. 36 5 41) 177 20/25 HP. 35° servo cams improve efficiency and are used in cases of complaint. See Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}284. Inefficiency may also be due to oil on servo. Six Months. 245 67 312 312 SERVO JAGGERS AND GRABS. December Quarter. C.C. 21 7 28) C.P. 3 1 4) 32 Oil feed to servo is now deleted on new cars and Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}253 has been issued, instructing retrospective action. Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}252 describes treatment for inefficient servos. Oil guards to Depot Sheets Nos. Hd.{Mr Hayward/Mr Huddy}244 and Hd.{Mr Hayward/Mr Huddy}232 are being fitted. Previous Quarter. C.C. 23 13 36) C.P. 21 1 22) 58 Six Months. 68 22 90 90 TOTAL CLUTCH COMPLAINTS. December Quarter. C.C. 128 18 146) C.P. 21 8 29) 175 Previous Quarter. C.C. 168 21 189) C.P. 20 10 30) 219 Six Months. 337 57 394 394 CLUTCH JAGGERS. December Quarter. C.C. 11 2 13) C.P. 3 - 3) 16 An improvement can be effected by fitting new R.A.D.II type fabrics. This material is now available for all Ph.II and 20/25 HP. cars. See Depot Sheets Nos. Hd.{Mr Hayward/Mr Huddy}185 and Hd.{Mr Hayward/Mr Huddy}196. Modification to synchromesh mechanism reduces jagger on second gear. Previous Quarter. C.C. 33 1 34) C.P. 3 - 3) 37 Six Months. 50 3 53 53 | ||