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 breakdown of customer complaints and remedies for various vehicle models.
| Identifier | ExFiles\Box 47\3\ Scan063 | |
| Date | 31th March 1931 guessed | |
| -3- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. TOTAL BOILING COMPLAINTS. March quarter. C.C. - - 20 9 29 ) 47 This is largely a seasonable complaint but with the new large gap radiator, and in exceptional cases louvred bonnets this can be definitely cured. Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}171 deals fully with this complaint. W.P. - - 18 - 18 ) Previous " - 1 44 21 66 66 Six months. - 1 82 30 113 113 WASH RADIATOR AND SYSTEM. March Quarter. C.C. - - 9 7 16 ) 34 This is not a permanent cure but is effective in a number of cases. W.P. - - 18 - 18 ) Previous " - 1 30 10 41 41 Six months. - 1 57 17 75 75 NEW CENTRES. March quarter. C.C. - - 11 1 12 ) 12 This in conjunction with rubber fan belt is a permanent cure except under extreme conditions of climate. W.P. - - - - Previous " - - 14 3 17 17 Six months. - - 25 4 29 29 NEW LOUVRED SIDE PANELS. March Quarter. C.C. - - - 1 1 ) 1 These were fitted by Paris to cure Overheating. W.P. - - - - Previous " - - - 8 8 8 Six months. - - - 9 9 9 | ||