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 engine complaints for the 4 1/4 Bentley model during 1938.
| Identifier | ExFiles\Box 131\2\ scan0274 | |
| Date | 14th October 1938 guessed | |
| SG{Arthur F. Sidgreaves - MD} HS{Lord Ernest Hives - Chair} CA 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 LA{L. A. Archer} K/KC GWH{George W. Hancock - Head Chateauroux}/K CHART OF COMPLAINTS 1113 4 1/4 BENTLEY 1938 JULY AUG SEPT OCT NOV DEC ENGINE BEARING MOD B TAKING SLACK OUT OF BEARINGS ONLY 10 8 4 COMPLAINT OF THUMP BY TESTERS AND OWNERS MOD C DRILLING OF CRANKSHAFT NIL. REPORT P.109 10 ENGINE ROUGHNESS AND TIMING GEAR RATTLE 750 - 3000 R.P.M TIMING GEARS 2 ROUGH 2 E.R. 6 T.G. 2 E.R. 5 T.G. 5 10 DEALT WITH BY ATTENTION TO CRANKSHAFT DAMPER. DETONATIONS 1 5 5 GWH{George W. Hancock - Head Chateauroux} 1 (SHEET 2) | ||