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 from 1931 analyzing exhaust system complaints and their available remedies.
| Identifier | ExFiles\Box 47\3\ Scan281 | |
| Date | 8th November 1931 | |
| To Wor.{Arthur Wormald - General Works Manager} from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} c. Sg.{Arthur F. Sidgreaves - MD} Ry. B. S. Hd.{Mr Hayward/Mr Huddy} W.P. MX.{John H Maddocks - Chief Proving Officer} Hs{Lord Ernest Hives - Chair}/LiC.1/ADW.8.11.31. QUARTERLY COMPLAINTS (REPT. QUARTER 1931). The total number of exhaust system complaints is the most alarming feature of the quarterly complaint list. We give herewith a detailed analysis of these complaints together with the remedies which are applicable. Brief Analysis. Total complaints 198. (1) Complaints for which a definite cure is available :- P.I. Butterfly valve - 9 20 HP. downtake pipe - 23 20/25 HP. " - 31 P.II sliding joint - 25 P.II cut out - 23 Total 111 (2) Complaints for which a proved improvement is available:- Manifold joint washers, all cars Total 18. (3) Complaints for which a modification is yet unproved: but is available. Cracked manifolds. 20 HP. 19 20/25 HP. 16 P.I 5 P.II 2 Total 42 (4) Complaints for which no modification is available. Corroded rear silencers. Total 13. (5) Miscellaneous. Total 14. out of Thus/a total of 198 complaints, modifications are available for 171, leaving only 27 of which 14 are various and do not warrant serious attention. Dealing with the above briefly :- | ||