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 on hydraulic and radiator complaints for various vehicle models over six months.
| Identifier | ExFiles\Box 130\1\ scan0129 | |
| Date | 31th March 1934 guessed | |
| - 8 - TOTAL HYDRAULIC COMPLAINTS. 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. March Quarter. C.C. 2 29 2 12 45) W.P. - 4 - 5 9) 54 Previous Quarter. C.C. - 20 - 12 32) W.P. - 7 - 11 18) 50 Six Months. 2 60 2 40 104 104 HYDRAULIC KNOCKS. March Quarter. C.C. 2 14 1 5 22) W.P. - 3 - 2 5) 27 Knocks on existing dampers are being satisfactorily dealt with by mod- Previous Quarter. C.C. - 13 - 10 23) ifying the replenishing ball valves W.P. - 5 - 9 14) 37 and fitting oil feeds to intermediate levers as per Depot Sheet Hd.{Mr Hayward/Mr Huddy}225. The Six Months. 2 35 1 26 64 64 split piston type now being produced appears satisfactory in service. HYDRAULIC LEAKS. March Quarter. C.C. - 4 - 1 5) W.P. - - - - -) 5 Previous Quarter. C.C. - 7 - 2 9) W.P. - 2 - 2 4) 13 Six Months. - 13 - 5 18 18 RADIATOR LEAKS. March Quarter. C.C. - 11 1 6 18) W.P. - 1 - 3 4) 22 Bronze Water Connection now being used to replace aluminium connection Previous Quarter. C.C. - 12 - 8 20) which corrodes on Ph.II radiators. W.P. - - - 9 9) 29 Depot Sheet Hd.{Mr Hayward/Mr Huddy}219. Six Months. - 24 1 26 51 51 | ||