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 table of customer complaints for various models over a six-month period, detailing issues and resolutions.
| Identifier | ExFiles\Box 47\3\ Scan205 | |
| Date | 30th June 1931 guessed | |
| -18- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. Speedometer. June Quarter. C.C. 8 6 - 11 25 } 25 W.P. - - - - - } Previous " C.C. 12 5 6 9 32 } 32 W.P. - - - - - } Six months. 20 11 6 20 57 57 Most frequent complaint is Trip not working. TAPPETS. June Quarter. C.C. - - 2 6 8 } 8 W.P. - - - - - } Previous " C.C. - - 3 3 6 } 8 W.P. - - 1 1 2 } Six months. - - 6 10 16 16 This complaint is now chiefly confined to critical owners. TRANSMISSION - REAR AXLE THRUST. June Quarter. C.C. 19 3 - - 22 } 23 W.P. - 1 - - 1 } Previous " C.C. 7 - - 4 11 } 23 W.P. 5 2 - 5 12 } Six months. 31 6 - 9 46 46 20 HP. This can be definitely cured by fitting the thrust race to the latest limits. New type thrust bearings now available. See Depot Sheet Hd.{Mr Hayward/Mr Huddy}214. Ph.II. The limits in this case have been altered to reduce thud on the pick up due to slackness in the pinion bearing. TRANSMISSION. June Quarter. C.C. - - - 2 2 } 2 W.P. - - - - - } Previous " C.C. 3 1 2 1 7 } 8 W.P. - 1 - 1 2 } Six months. 3 2 2 3 10 10 Higher oil level on Ph.II. now standard. | ||