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 dynamo and exhaust complaints, broken down by vehicle model and time period.
| Identifier | ExFiles\Box 47\3\ Scan479 | |
| Date | 1st June 1932 guessed | |
| -6- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. DYNAMO FAILURES. June Quarter. C.C. 3 7 - 2 12 } 12 Minor adjustments to brush gear W.P. - - - - - } usually overcomes these troubles. Previous " C.C. 1 4 - 3 8 } 9 W.P. - - 1 - 1 } Six months. 4 11 1 5 21 21 DYNAMO NOISY. June Quarter. C.C. 1 6 - 7 14 } 16 Minor adjustments to brush gear W.P. - 1 1 - 2 } usually overcomes these troubles. Previous " C.C. 1 4 - 1 6 } 8 W.P. - - - 2 2 } Six months. 2 11 1 10 24 24 DYNAMO LOW OUTPUT. June Quarter. C.C. - - - 2 2 } 2 The dynamos giving higher output W.P. - - - - - } are available in cases of Previous " C.C. - 3 1 3 7 } 7 complaints. W.P. - - - - - } Six months. - 3 1 5 9 9 TOTAL EXHAUST COMPLAINTS. June Quarter. C.C. 17 22 4 42 85 } 146 W.P. 10 11 2 38 61 } Previous " C.C. 7 27 5 34 73 } 152 W.P. 24 20 6 29 79 } Six months. 58 80 17 143 298 298 | ||