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).
Summary report of hydraulic system complaints for 25 HP and Phantom II models over two quarters.
| Identifier | ExFiles\Box 130\1\ scan0245 | |
| Date | 30th June 1935 guessed | |
| - 7 - TOTAL HYDRAULIC COMPLAINTS. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. June Quarter. C.C. 42 34 76) C.P. 8 6 14) 90 Previous Quarter. C.C. 31 22 53) C.P. 2 6 8) 61 Six Months. 83 68 151 151 HYDRAULIC KNOCKS. June Quarter. C.C. 19 15 34) C.P. 4 2 6) 40 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. Previous Quarter. C.C. 14 5 19) C.P. 2 3 5) 24 Six Months. 39 25 64 64 HYDRAULIC LEAKS. June Quarter. C.C. 8 4 12) C.P. 3 2 5) 17 Previous Quarter. C.C. 11 5 16) C.P. - 2 2) 18 Six Months. 22 13 35 35 HYDRAULICS LOOSE ON FRAME. June Quarter. C.C. 10 - 10) C.P. 1 - 1) 11 Larger diameter bolts now being fitted on Production to overcome this complaint. Previous Quarter. C.C. 3 - 3) C.P. - - -) 3 Six Months. 14 - 14 14 | ||