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 component failures and remarks on corrective actions.
| Identifier | ExFiles\Box 47\3\ Scan201 | |
| Date | 30th June 1931 guessed | |
| -17- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. MAGNETO FAILURES. June Quarter. C.C. - - 6 5 11 } 12 W.P. - - 1 1 1 } Previous " C.C. 2 1 2 3 8 } 11 W.P. - - - 3 3 } Six months. 2 1 8 12 23 23 PETROL TANK LEAKS. June Quarter. C.C. - - 1 2 3 } 3 The leakages are mainly from the air W.P. - - - - vent connection and a vellumoid washer is now being fitted to cure same. Depot Sheet to be issued. Previous " C.C. - - 1 - 1 } 2 W.P. - - - - 1 } Six months. - - 3 2 5 5 RADIATOR LEAKS. June Quarter. C.C. 4 4 1 10 19 } 21 The soldering of the top and bottom W.P. - 1 - 1 2 } tanks and side plates is now improved during manufacture and complaints should be less. Previous " C.C. 5 2 2 8 17 } 18 W.P. - - - 1 1 } Six months. 9 7 3 20 39 39 RADIATOR SHUTTERS. June Quarter. C.C. - - - 3 3 } 3 Rectified by minor adjustments. W.P. - - - - Previous " C.C. - 1 - 5 6 } 6 W.P. - - - - Six months. - 1 - 8 9 9 | ||