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 regarding clutch and central lubrication systems for various car models.
| Identifier | ExFiles\Box 47\3\ Scan523 | |
| Date | 31th December 1932 guessed | |
| - 4 - 20 HP. 25 HP. PH. I. PH. II. TOTAL. GRAND TOTAL. REMARKS. TOTAL CLUTCH COMPLAINTS. December Quarter. C.C. 3 39 1 11 54) W.P. - 4 - 3 7) 61 Previous " C.C. 4 32 2 15 53) W.P. - - - 4 4) 57 Six Months. 7 75 3 33 118 118 CLUTCH JAGGERS. December Quarter. C.C. 1 4 1 - 6) W.P. - - - 1 1) 7 An improvement can be effected by fitting new R.A.D.II type fabrics. This material is now available for all Ph.I., Ph.II., and 20/25 cars. See Depot Sheets Hd.{Mr Hayward/Mr Huddy}185 & Hd.{Mr Hayward/Mr Huddy}196. Previous " C.C. - 2 - 1 3) W.P. - - - - -) 3 Six Months. 1 6 1 2 10 10 CLUTCH SLIPS. December Quarter. C.C. 2 35 - 11 48) W.P. - 4 - 2 6) 54 Slipping is often due to oil on the fabrics. Steps have been taken to delete automatic clutch spigot lubrication on 20/25 HP. cars. Depots should report fully on all complaints of slipping. This matter is now having consideration of Exp. Dept. Depot Sheets Hd.{Mr Hayward/Mr Huddy}185. Hd.{Mr Hayward/Mr Huddy}196. Hd.{Mr Hayward/Mr Huddy}205. Previous " C.C. 4 30 2 14 50) W.P. - - - 4 4) 54 Six Months. 6 69 2 31 108 108 CENTRAL LUBRICATION. December Quarter. C.C. - 7 - 12 19) W.P. - 1 - 7 8) 27 These are mostly miscellaneous troubles such as replacing drip plugs, re-making joints and cleaning pipes. Previous " C.C. - 8 - 22 30) W.P. - - - 10 10) 40 Six Months. - 17 - 50 67 67 | ||