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 vehicle faults and their remedies for various models.
| Identifier | ExFiles\Box 130\4\ scan0106 | |
| Date | 20th June 1936 guessed | |
| - 11 - 25 HP. 30 HP. PH.II. PH.III. TOTAL. GRAND TOTAL. REMARKS. POOR PETROL CONSUMPTION. December Quarter. C.C. 13 4 1 - 18) C.P. 1 - - - 1) 19 20/25 HP. Some improvement is effected by modifying carburetter to latest practice and fitting new needle. Previous Quarter. C.C. 16 - - - 16) C.P. 3 - - - 3) 19 25/30 HP. Re-set or change carburetter. Six Months. 33 4 1 - 38 38 GEARBOX JUMPING OUT OF SECOND GEAR. December Quarter. C.C. 4 - 4 1 9) C.P. - - - - -) 9 Requires improvement. Modifications to Ph.III gearbox now introduced. Previous Quarter. C.C. 1 - 1 - 2) C.P. - - - - -) 2 Six Months. 5 - 5 1 11 11 S.U. PETROL PUMPS. December Quarter. C.C. - 54 - 7 61) C.P. - 15 - - 15) 76 Most of these complaints are of noise. These pumps are difficult to get quiet. All pumps are now being changed for new ones with G5 diaphragms. Dixon what is the progress of the changeover Rm{William Robotham - Chief Engineer} Previous Quarter. C.C. - 42 - - 42) C.P. - - - - -) 42 Six Months. - 111 - 7 118 118 ENGINE OVEROILING. December Quarter. C.C. 8 31 4 2 45) C.P. 4 - 1 - 5) 50 These complaints on 25/30 HP. are being dealt with by fitting "L" section rings. PH.III. Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}329 issued. Previous Quarter. C.C. 9 12 2 - 23) C.P. 3 - - - 3) 26 Six Months. 24 43 7 2 76 76 | ||