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 summarizing vehicle faults related to booming, coupling fabric failures, and clutch complaints.
| Identifier | ExFiles\Box 47\3\ Scan477 | |
| Date | 1st June 1932 guessed | |
| -4- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. BOOMING. June Quarter. C.C. - 2 - 1 3 } 3 W.P. - - - 2 2 } Previous " C.C. - - - 2 2 } 2 W.P. - - - - - } Six months. - 2 - 3 5 5 COUPLING FABRIC FAILURES. June Quarter. C.C. - - 1 9 10 } 29 An improved type of coupling with W.P. - - - 19 19 } machine riveted driving plates is Previous " C.C. - - 2 11 13 } 25 now being used on all Ph.I and W.P. - - 1 11 12 } Ph.II chassis. See Depot Sheets Hd.{Mr Hayward/Mr Huddy}163/167/178/180/194. The new Six months. - - 4 50 54 54 coupling is fitted whenever there are signs of the failure of the original coupling. TOTAL CLUTCH COMPLAINTS. June Quarter. C.C. 7 29 4 23 63 } 71 W.P. 3 - 1 4 8 } = Previous " C.C. 2 17 5 15 39 } 56 W.P. - 8 1 8 17 } Six months. 12 54 11 50 127 127 CLUTCH JAGGERS. June Quarter. C.C. 1 1 - 3 5 } 6 A definite cure can be effected by W.P. - - - 1 1 } fitting new R.A.D.1 type clutch Previous " C.C. - 1 3 2 6 } 9 fabrics. This material is now W.P. - 1 - 2 3 } available for all Ph.I, Ph.II and 20 HP. cars and has been fitted to Six months. 1 2 4 8 15 15 all cars built since March 1931. See Depot Sheets Hd.{Mr Hayward/Mr Huddy}185 and Hd.{Mr Hayward/Mr Huddy}196. | ||