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 report on clutch complaints over a six-month period, categorized by issue type and car model.
| Identifier | ExFiles\Box 130\1\ scan0027 | |
| Date | 31th March 1933 guessed | |
| - 4 - TOTAL CLUTCH COMPLAINTS. 20 HP. 25 HP. PH.I. PH.II TOTAL. GRAND TOTAL. REMARKS. March quarter. C.C. 2 66 4 18 90) 99 W.P. - 3 - 6 9) Previous quarter. C.C. 3 39 1 11 54) 61 W.P. - 4 - 3 7) Six Months. 5 112 5 38 160 160 CLUTCH JAGGERS. March quarter. C.C. 1 7 - 6 14) 18 W.P. - - - 4 4) Previous quarter. C.C. 1 4 1 - 6) 7 W.P. - - - 1 1) Six Months. 2 11 1 11 25 25 An improvement can be effected by fitting new R.A.D.11 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 and Hd.{Mr Hayward/Mr Huddy}196. CLUTCH SLIPS. March quarter. C.C. 1 59 4 12 76) 81 W.P. - 3 - 2 5) Previous quarter. C.C. 2 35 - 11 48) 64 W.P. - 4 - 2 6) Six Months. 3 101 4 27 135 135 [Handwritten] Is new treatment of splines effective 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. Pressure ring serrations are being modified to prevent binding. See Depot Sheet Hd.{Mr Hayward/Mr Huddy}242. CENTRAL LUBRICATION. March quarter. C.C. - 9 - 21 30) 37 W.P. - 1 - 6 7) Previous quarter. C.C. - 7 - 12 19) 27 W.P. - 1 - 7 8) Six Months. - 18 - 46 64 64 These are mostly miscellaneous troubles such as replacing drip plugs, re-making joints and cleaning pipes. | ||