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).
Quarterly report summarizing vehicle faults, statistics, and recommended cures.
| Identifier | ExFiles\Box 47\3\ Scan430 | |
| Date | 1st March 1932 guessed | |
| -8- EXHAUST BLOWS GENERALLY & CUTOUT SEIZED OR RATTLE. 20 HP. 25 HP. PH.I. PH.II. TOTAL. GRAND TOTAL. REMARKS. March Quarter. C.C. - 4 1 30 } 35 ) 70 W.P. - 3 5 27 } 35 ) Previous " C.C. - 9 - 41 } 50 ) 70 W.P. - - - 20 } 20 ) Six months. - 16 6 118 140 140 This trouble on Ph.II is caused by the sliding joint not working, and is definitely cured by modifying the sliding joint as per Depot Sheet No. Hd. {Mr Hayward / Mr Huddy} 199 and fitting an additional stay to the rear silencer as per Depot Sheet No. Hd. {Mr Hayward / Mr Huddy} 218. DOWN PIPE FLANGE CRACKED. March Quarter. C.C. 3 6 - - } 9 ) 24 W.P. 6 9 - - } 15 ) Previous " C.C. 10 15 - - } 25 ) 29 W.P. 2 2 - - } 4 ) Six months. 21 32 - - 53 53 A reinforced downtake pipe flange is being used on all 20 HP. cars to cure blows. Depot Sheet Hd. {Mr Hayward / Mr Huddy} 201. ENGINE OVER-OILING. March Quarter. C.C. - 3 3 9 } 15 ) 56 W.P. 2 3 13 23 } 41 ) Previous " C.C. - - 8 10 } 18 ) 63 W.P. 2 - 16 27 } 45 ) Six months. 4 6 40 69 119 119 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 Hd. {Mr Hayward / Mr Huddy} 147 Hd. {Mr Hayward / Mr Huddy} 174 and Hd. {Mr Hayward / Mr Huddy} 176. ENGINE - PISTON KNOCKS. March Quarter. C.C. 1 - 5 7 } 13 ) 15 W.P. - - 1 1 } 2 ) Previous " C.C. - - 9 7 } 16 ) 18 W.P. 2 - - - } 2 ) Six months. 3 - 15 15 33 33 | ||