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 complaints by model, detailing issues with valves and hydraulic systems, and noting remedial actions.
| Identifier | ExFiles\Box 130\1\ scan0294 | |
| Date | 30th September 1935 guessed | |
| - 6 - VALVES STICKING. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. September Quarter. C.C. 3 19 22) 23 Parallel guides and increased diameter valve stems and longer undercut are now being used on Production and for complaints. C.P. - 1 1) Previous Quarter. C.C. - 14 14) 22 C.P. - 8 8) Six Months. 3 42 45 45 TOTAL HYDRAULIC COMPLAINTS. September Quarter. C.C. 59 39 98) 104 C.P. 5 1 8) Previous Quarter. C.C. 42 34 76) 90 C.P. 8 6 14) Six Months. 114 80 194 194 HYDRAULIC KNOCKS. September Quarter. C.C. 36 25 61) 66 Knocks on existing dampers are being satisfactorily dealt with by modifying the replenishing ball valves and fitting oil feeds to intermediate levers as per Depot Sheet Hd.{Mr Hayward/Mr Huddy}225. The split piston type now being produced appears satisfactory in service. C.P. 4 1 5) Previous Quarter. C.C. 19 15 34) 40 C.P. 4 2 6) Six Months. 63 43 106 106 HYDRAULIC LEAKS. September Quarter. C.C. 12 4 16) 17 C.P. 1 - 1) Previous Quarter. C.C. 8 4 12) 17 C.P. 3 2 5) Six Months. 24 10 34 34 Handwritten text: LES How many of these are the bottom of the axle control | ||