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 vehicle component complaints and their resolutions.
| Identifier | ExFiles\Box 47\3\ Scan261 | |
| Date | 30th September 1931 guessed | |
| -15- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. SPRINGS WEAK. September Quarter. C.C. 4 8 - 11 23 } 23 W.P. - - - - Previous " C.C. 3 9 - 13 25 } 25 W.P. - - - - Six months. 7 17 - 24 48 48 Mostly due to insufficient clearance being allowed but stronger springs are now being fitted and complaints should die out except when body weights are excessive. SPRINGS - FRONT BROKEN. September Quarter. C.C. 3 - 1 - 4 } 4 W.P. - - - - Previous " C.C. 6 - 1 - 7 } 7 W.P. - - - - Six months. 9 - 2 - 11 11 SPRINGS SQUEAK. September Quarter. C.C. - 9 2 1 12 } 12 W.P. - - - - Previous " C.C. 1 4 - 2 7 } 8 W.P. - 1 - - 1 Six months. 1 14 2 3 20 20 Grooved Springs cure Ph.I and 20/25 HP. complaints. Improved lubrication on Ph.II cars. SERVO JAGGERS & GRABS. September Quarter. C.C. 3 16 10 10 39 } 40 W.P. 1 - - - 1 Previous " C.C. 8 17 7 11 43 } 44 W.P. - - - 1 1 Six months. 12 33 17 22 84 84 These complaints can be definitely cured by fitting fabric friction discs in place of Malo. | ||