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).
Statistical summary of vehicle failures over two quarters, categorized by issue and vehicle model.
| Identifier | ExFiles\Box 130\1\ scan0191 | |
| Date | 8th February 1935 guessed | |
| - 9 - IRREGULAR RUNNING OF ENGINE. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. December Quarter. C.C. 27 10 37} C.P. - 2 2} 39 Mostly due to sticking of air valves. Depot Sheet Hd.{Mr Hayward/Mr Huddy}265 deals with this trouble. Previous Quarter. C.C. 29 9 38} C.P. 2 - 2} 40 Six Months. 58 21 79 79 POPPING IN SILENCERS. December Quarter. C.C. 13 13 26} C.P. 18 2 20} 46 Previous Quarter. C.C. 14 11 25} C.P. 7 2 9} 34 Six Months. 52 28 80 80 SPEEDOMETER FAILURES. December Quarter. C.C. 23 1 24} C.P. - - -} 24 Previous Quarter. C.C. 12 2 14} C.P. 1 - 1} 15 Six Months. 46 3 39 39 OIL LEAK - FRONT AXLE PIVOTS. December Quarter. C.C. 6 - 6} C.P. - - -} 6 Previous Quarter. C.C. 3 - 3} C.P. - - -} 3 Six Months. 9 - 9 9 | ||