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 complaints regarding water leaks and hydraulic systems, with remarks on applied fixes.
| Identifier | ExFiles\Box 47\3\ Scan527 | |
| Date | 31th December 1932 guessed | |
| - 8 - 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. WATER LEAKS FROM CYLINDER. December Quarter. C.C. - - 3 3 6) W.P. - - 14 105 119) 125 Ph.I and Ph.II definitely cured by fitting nickel plated copper tubes in place of original alluminium tubes. Also bronze core hole plugs instead of aluminium. Previous " C.C. 1 - 6 3 9) W.P. - - 23 78 102) 111 All cars being attended to. Depot Sheet Hd.{Mr Hayward/Mr Huddy}221. Six Months. 1 - 46 189 236 236 TOTAL HYDRAULIC COMPLAINTS. December Quarter. C.C. 8 32 4 53 97) W.P. - 7 2 22 31) 128 Previous " C.C. 2 20 3 59 84) W.P. 1 3 1 28 33) 117 Six Months. 11 62 10 162 245 245 HYDRAULIC KNOCKS. December Quarter. C.C. 7 29 3 33 72) W.P. - 7 2 6 15) 87 Knocks on existing dampers are being satisfactorily dealt with by modifying the replenishing ball valves and fitting oil feed to intemediate levers as per Depot Sheet Hd.{Mr Hayward/Mr Huddy}225. The split piston type now being produced appears satisfactory in service. Previous " C.C. 2 19 2 31 54) W.P. 1 3 1 8 13) 67 Six Months. 10 58 8 78 154 154 HYDRAULIC LEAKS. December Quarter. C.C. 1 3 1 5 10) W.P. - - - 1 1) 11 Previous " C.C. - 1 1 7 9) W.P. - - 1 2 2) 11 Six Months. 1 4 2 15 22 22 | ||