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 vehicle component failures and remedies across different models over a six-month period.
| Identifier | ExFiles\Box 47\3\ Scan332 | |
| Date | 1st December 1931 guessed | |
| -4- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. BODY BRACKETS CRACKING. December Quarter. C.C. - - - 12 12 } 12 Strengthened brackets now standard and W.P. - - - - - } are a definite cure. See Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}211 dealing Previous " C.C. - - - 3 3 } 3 with fitting of new brackets in case W.P. - - - - - } of breakage. Six months. - - - 15 15 15 BONNET RATTLES & DEFECTIVE. December Quarter. C.C. - 2 - 5 7 } 9 Rectified by minor adjustments. W.P. - - - 2 2 } Previous " C.C. - 6 - 6 12 } 13 W.P. - - - 1 1 } Six months. - 8 - 14 22 22 BOOMING. December quarter. C.C. - - 1 - 1 } 1 These complaints may now be cured by W.P. - - - - - } modifications to engine suspension and steering column supports. Previous " C.C. - - 1 - 1 } 1 W.P. - - - - - } Six months. - - 2 - 2 2 COUPLING FABRIC FAILURES. December Quarter. C.C. - - 5 28 33 } 45 An improved type of coupling with W.P. - 2 10 12 12 } machine rivetted driving plates is now being used on all Ph.I. and PH.II Previous " C.C. - 5 24 - 29 } 47 chassis. We have no failures with W.P. - 6 12 - 18 } this type. See Depot Sheets Hd.{Mr Hayward/Mr Huddy}163/167/178/180/194 Six months. - 18 74 92 92 The new Coupling is fitted whenever there are signs of the failure of the original couplings. | ||