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).
Customer complaints and faults by car model over a six-month period.
| Identifier | ExFiles\Box 47\3\ Scan253 | |
| Date | 30th September 1931 guessed | |
| -7- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. DYNAMO NOISY. September Quarter. C.C. - 8 - 3 11 } 13 Minor adjustments to brush gear W.P. 1 1 - - 2 } usually overcomes these troubles. Previous " C.C. 2 11 - 8 21 } 22 W.P. - 1 - - 1 } Six months. 3 21 - 11 35 35 DYNAMO LOW OUTPUT. September Quarter. C.C. 1 1 - 2 4 } 4 Dynamos giving higher output are W.P. - - - - - } available in cases of complaint. Previous " C.C. - 1 - 3 4 } 4 W.P. - - - - - } Six months. 1 2 - 5 8 8 EXHAUST BUTTERFLY VALVE. September Quarter. C.C. - - 9 - 9 } 9 This complaint is confined to Ph.I W.P. - - - - - } cars and is cured by fitting nitra- alloy spindles in conjunction with Previous " C.C. - - 8 - 8 } 8 cast iron bushes. W.P. - - - - - } Six months. - - 17 - 17 17 | ||