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).
Quarterly report detailing vehicle faults by component, with counts for different models and remarks on resolutions.
| Identifier | ExFiles\Box 130\1\ scan0062 | |
| Date | 30th June 1933 guessed | |
| - 10 - 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. SERVO JAGGERS AND GRABS AND INEFFICIENT. June Quarter. C.C. 8 40 8 16 72) V.P. - 16 - 1 17) 89 Existing liners have been unsatisfactory and new Ferodo R.A.D. 13 liners are now standard and are being used for all replacements. Servos are still having attention of Design Dept. See also "Brakes inefficient." Previous Quarter. C.C. 7 40 2 12 61) V.P. - 19 - 6 25) 86 Six Months. 15 115 10 35 175 175 STEERING WOBBLES AND JOGGLES OR SNATCHES. June Quarter. C.C. - 24 - 34 58) V.P. - - - 2 2) 60 Improved lubrication and bedding of cross steering tube ball ends ensure more constant friction. Depot Sheet Hm.{Capt. W. Hallam - Head Repairs}160. Previous Quarter. C.C. - 11 - 19 30) V.P. - 2 - 9 11) 41 Pivot lean, shock damper loads etc. are dealt with in Depot Sheet Hm.{Capt. W. Hallam - Head Repairs}198. Spring loaded front spring rear shackle is now standard and is used in severe cases of complaint. Six Months. - 37 - 64 101 101 STARTER MOTORS. June Quarter. C.C. 19 8 - 9 36) V.P. - - - 1 1) 37 20 HP. and 20/25 Starter Drives require further improvement. Previous Quarter. C.C. 9 15 - 7 31) See Depot Sheets Hm.{Capt. W. Hallam - Head Repairs}165., Hd.{Mr Hayward/Mr Huddy}192.PH.II and Hd.{Mr Hayward/Mr Huddy}197., 20/25 HP. V.P. - 2 - 2 4) 35 Six Months. 28 25 - 19 72 72 TRANSMISSION. - REAR AXLE THRUST. June Quarter. C.C. - 5 - 5 10) V.P. - - - 1 1) 11 20/25 HP. - New type thrust bearings now available. No failures of this type are yet reported Previous Quarter. C.C. - 6 - 1 7) See Depot Sheet No. Hd.{Mr Hayward/Mr Huddy}214. V.P. - 2 - - 2) 9 PH.II. - The limits have been altered to reduce thud on the pick up. Six Months. - 13 - 7 20 20 | ||