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).
Bar chart tracking Bentley engine complaints and modifications across various categories from July to December 1938.
| Identifier | ExFiles\Box 131\3\ scan0023 | |
| Date | 1st January 1938 | |
| SG{Arthur F. Sidgreaves - MD} C BY RM{William Robotham - Chief Engineer} MX{John H Maddocks - Chief Proving Officer} RHC{R. H. Coverley - Production Engineer} H HD{Mr Hayward/Mr Huddy} SR L.A. K/KC. H/K CHART OF COMPLAINTS 4 3/4 L BENTLEY 1938 JULY AUG. SEPT OCT. NOV. DEC. ENGINE BEARING MOD B TAKING SLACK OUT OF BEARINGS ONLY COMPLAINT OF THUMP BY TESTERS AND OWNERS 10 8 4 2 REPORTS RPT DW.252 A.C.Z. FAILURE DW.253 P.133 P.132 P.187 P.188 W.260 W.264 W.263 W.253 W.279 MOD C DRILLING OF CRANKSHAFT COMPLAINT OF THUMP BY TESTERS AND OWNERS NIL REPORT P.109 10 K A.C.Z BEARINGS CHANGED NOT INCLUDED K P.135 W.277 W.278 W.275 14 ENGINE ROUGHNESS AND TIMING GEAR RATTLE 1750 - 3000 R.P.M DEALT WITH BY ATTENTION TO CRANKSHAFT DAMPER. TIMING GEARS ROUGH 2 2 E.R T.G 6 2 E.R T.G 5 E.R T.G 5 10 E.R T.G 3 7 10 T.G R 10 W.277 R T.G R 9 6 W.281 DETONATIONS 5 5 2 W.282 3 2 G.W.H. 1 (SHEET 2) | ||