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).
Periodic fault report detailing issues, frequency, and solutions for various car models.
| Identifier | ExFiles\Box 47\3\ Scan068 | |
| Date | 31th March 1931 guessed | |
| -8 EXHAUST MANIFOLD CRACKED OR BROKEN. March Quarter. Previous " Six months. EXHAUST SILENCER CORRODED. March Quarter. Previous " Six months. EXHAUST CUTOUT. March quarter. Previous " Six months. ENGINE OVEROILING. March quarter. Previous " Six months. 20 HP. 25 HP. PH.I. PH.II TOTAL. GRAND TOTAL. REMARKS. C.C. 4 9 7 1 21 } 39 W.P. 8 8 2 - 18 } 8 3 14 2 27 27 20 20 23 5 66 66 C.C. - - 3 - 3 } 3 Silencers generally have a short life. W.P. - - - - - } Experimental Department now investigat- 1 - 5 1 7 7 ing this matter. 1 - 8 1 10 10 C.C. - - 4 4 4 } 8 This trouble on Ph.II is caused by the W.P. - - 4 4 4 } sliding joint not working, and is - - 10 10 10 10 definitely cured by modifying the sliding joint as per Depot Sheet Hd.{Mr Hayward/Mr Huddy}199 - - 18 18 18 18 C.C. 1 - 3 10 14 } 59 The majority of these are top over- W.P. 1 - 18 26 45 } oiling and definitely cured by 3 - 17 14 34 34 restricting the oil flow at the valve end of the rockers. 5 - 38 50 93 93 See Depot Sheets Hm.{Capt. W. Hallam - Head Repairs}147/174/176. | ||