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 report on hydraulic system complaints, broken down by model and type of fault over a six-month period.
| Identifier | ExFiles\Box 47\3\ Scan199 | |
| Date | 30th June 1931 guessed | |
| -12- 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. TOTAL HYDRAULIC COMPLAINTS. June Quarter. C.C. 29 40 16 48 133 } 140 W.P. - 2 2 3 7 } Previous " C.C. 32 41 25 39 137 } 147 W.P. 1 1 2 6 10 } Six months. 62 84 45 96 287 287 HYDRAULIC KNOCKS. June Quarter. C.C. 29 37 16 35 117 } 124 W.P. - 2 2 3 7 } Previous " C.C. 32 40 24 35 131 } 139 W.P. 1 1 2 4 8 } Six months. 62 80 44 77 263 263 HYDRAULIC LEAKS. June Quarter. C.C. - 3 - 5 8 } 8 W.P. - - - - - } Previous " C.C. - 1 - 3 4 } 5 W.P. - - - 1 1 } Six months. - 4 - 9 13 13 This matter is in the hands of the Experimental Department for further investigation. Depot Sheet Hm.{Capt. W. Hallam - Head Repairs}105 deals with the treatment of knocks on existing dampers. [Faint text vertically on left edge] NOTED SEAL H.A.F-FINCH | ||