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).
Faults with exhaust silencers, including corrosion, blows, and cracks, over a six-month period.
| Identifier | ExFiles\Box 130\1\ scan0159 | |
| Date | 1st September 1934 guessed | |
| - 5 - EXHAUST SILENCER CORRODED. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. September Quarter. C.C. 1 3 4) C.P. - 1 1) 5 All silencers are now being Parkerised and a longer life is expected. Previous Quarter. C.C. - - -) C.P. - - -) - Six Months. 1 4 5 5 EXHAUST BLOWS GENERALLY AND CUT-OUT SEIZED OR RATTLE. September Quarter. C.C. 19 26 45) C.P. 7 10 17) 62 This trouble on Ph.II is caused by the sliding joint not working properly and is cured by modifying the sliding joint and fitting an additional stay to the rear silencer as per Depot Sheets Hd.{Mr Hayward/Mr Huddy}199 and Hd.{Mr Hayward/Mr Huddy}218. Previous Quarter. C.C. 11 20 31) C.P. 6 8 14) 45 Six Months. 43 64 107 107 FRONT EXHAUST SILENCER CRACKED. September Quarter. C.C. - 4 4) C.P. - 8 8) 12 Previous Quarter. C.C. - 9 9) C.P. - 8 8) 17 Six Months. - 29 29 29 | ||