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 engine faults and resolutions across different models for a six-month period ending in June.
| Identifier | ExFiles\Box 47\3\ Scan481 | |
| Date | 1st June 1932 guessed | |
| -8- 20 HP. 25 HP. PH.I. PH.II TOTAL. GRAND TOTAL. REMARKS. DOWN PIPE FLANGE CRACKED. June Quarter. C.C. 4 1 - - 5} 13 A re-inforced downtake pipe flange is being used on all 20 HP. cars to cure blows. Depot Sheet Hd. {Mr Hayward / Mr Huddy} 201. W.P. 4 4 - - 8} Previous " C.C. 3 6 - - 9} 24 W.P. 6 9 - - 15} Six months. 17 20 - - 37 37 ENGINE OVER-OILING. June Quarter. C.C. 3 1 2 11 16} 51 The majority of these are top over-oiling and definitely cured by restricting the oil flow at the valve end of the rockers. See Depot Sheets Hm. {Capt. W. Hallam - Head Repairs} 147, Hd. {Mr Hayward / Mr Huddy} 174 and Hd. {Mr Hayward / Mr Huddy} 176. W.P. 1 2 9 23 35} Previous " C.C. - 3 3 9 15} 56 W.P. 2 3 13 23 41} Six months. 6 8 27 66 107 107 ENGINE PISTON KNOCKS. June Quarter. C.C. 2 - 3 1 6} 7 W.P. - - 1 1 1} Previous " C.C. 1 - 5 7 13} 15 W.P. - - 1 1 2} Six months. 3 - 9 10 22 22 ENGINE - PISTONS SEIZED. June Quarter. C.C. - - - - -} - W.P. - - - - -} Previous " C.C. - - 1 - 1} 2 W.P. - - 1 - 1} Six months. - - 2 - 2 2 | ||