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 report summarizing vehicle faults and modifications across different models.
| Identifier | ExFiles\Box 130\4\ scan0152 | |
| Date | 31th March 1937 guessed | |
| - 10 - NOISY REAR AXLES. 25 HP. 30 HP. PH.II. PH.III. TOTAL. GRAND TOTAL. REMARKS. March Quarter. C.C. 3 9 1 1 14) C.P. 4 - - - 4) 18 Previous Quarter. C.C. 5 1 - - 6) C.P. 1 - - - 1) 7 Six Months. 13 10 1 1 25 25 HUBS NOISY. March Quarter. C.C. 7 3 - 2 12) C.P. 4 - - - 4) 16 These are mainly brake drum fouling dust cover or noisy ball races in front hubs. A roller bearing has been introduced in place of inner ball bearing on 20/25 HP. cars Previous Quarter. C.C. 2 - 2 2 6) C.P. 2 - - - 2) 8 Six Months. 15 3 2 4 24 24 POOR PETROL CONSUMPTION. March Quarter. C.C. 15 1 - - 16) C.P. 2 - - - 2) 18 20/25 HP. Some improvement is effected by modifying carburetter to latest practice and fitting new needle. 25/30 HP. Re-set or change carburetter. Previous Quarter. C.C. 13 4 1 - 18) C.P. 1 - - - 1) 19 Six Months. 31 5 1 - 37 37 GEARBOX JUMPING OUT OF SECOND GEAR. March Quarter. C.C. 3 1 4 2 10) C.P. - - - - -) 10 Requires improvement. Modification to Ph.III gearbox now introduced. Previous Quarter. C.C., 4 - 4 1 9) C.P. - - - - -) 9 Six Months. 7 1 8 3 19 19 | ||