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).
Clutch and sparking plug defects, with associated remedies for 3.1/2 and 4.1/4 litre models.
| Identifier | ExFiles\Box 146\2\ scan0263 | |
| Date | 30th June 1937 guessed | |
| ( 4 ) 9. Clutch Fierce or Jaggers. (Continued) 3.1/2 Litre 4.1/4 Litre Total B-100-HK.{Col. T. Harker - Sales} 12.770 Kms. R.C. Fitted balanced Propellor shaft complete with damper. B-107-GP. 22.000 Kms. Fitted balanced propellor shaft complete with damper B-122-GA. 26.930 Kms. Fitted a new clutch. B-125-GP. 17.950 Kms. Clutch Jaggers (R.C.) Fitted balanced propellor shaft complete with damper. 10. CLUTCH FIERCE AND SLIPS. (3.1/2 Litre) June Quarter C.C. 2 2 Previous Quarter C.C. 2 2 Six Months 4 4 B-33-CW. 29.081 Kms. Clutch slips badly. Fitted new liners and friction plate. B-43-CW. R.C. The clutch of this car was re-lined at 35.097 kms. and had to be re-lined again at 42.189 kms. 11. DEFECTIVE SPARKING PLUGS. June Quarter C.C. 4 8 12 C.P. Previous Quarter C.C. 1 1 2 Six Months 5 9 14 B-106-HK.{Col. T. Harker - Sales} 12.726 Kms. Max.Speed only 140 K.P.H. Removed Bosch Plugs. Fitted 6 KLG. type 765 A.{Mr Adams} B-59-EJ. 8.804 Kms. Changed plugs. Fitted 6 KLG. X.2891 type. B-122-GA. 18.757 Kms. Fitted 6 Bosch Plugs. B-72-HK.{Col. T. Harker - Sales} 8.325 Kms. Fitted 6 KLG. type 765 A.{Mr Adams} plugs. (continued) | ||