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).
Chart of complaints for the Bentley 4 1/4 litre engine, tracking issues from January to June 1939.
| Identifier | ExFiles\Box 107\2\ scan0074 | |
| Date | 30th June 1939 | |
| CHART OF COMPLAINTS 4 1/4 BENTLEY MODELS: SG{Arthur F. Sidgreaves - MD}, HS{Lord Ernest Hives - Chair}, C, BY, RM{William Robotham - Chief Engineer}, MX{John H Maddocks - Chief Proving Officer}, RHC{R. H. Coverley - Production Engineer}, H, SR, LA{L. A. Archer}, K/KC, GWH{George W. Hancock - Head Chateauroux}/K TIMELINE: 1939, JAN, FEB, MARCH, APRIL, MAY, JUNE SECTION 1: CATEGORY: ENGINE BEARINGS, MOD B, TAKING SLACK OUT OF BEARINGS ONLY. COMPLAINT: COMPLAINT OF SLIGHT THUMP. DATA: W307 SECTION 2: CATEGORY: MOD C, DRILLING OF CRANKSHAFT FOR LUBRICATION, NEW BEARING AC.7 FITTED N°7, WHITE METAL AC.9 FITTED TO CONRODS. COMPLAINT: COMPLAINT OF THUMP BY OWNERS AND TESTERS, CONFIRMED BY OIL FLOW TEST, -LOW OIL PRESSURE. DATA BY MONTH: JAN: 13, K, P 160, P 158, P 156, W 285 FEB: 15, K, MOD C, K 154, P 175, W 313, W 309, W 308, W 305 MAR: K, P 181, P 194, W 323, W 327 APR: K, W 335, W 336 MAY: K, P 216, W 348, W 347, W 346, W 34? SECTION 3: CATEGORY: ENGINE ROUGHNESS AND TIMING GEAR RATTLE, 1750 - 3000 RPM, DELT WITH BY ALTERATION TO CRANKSHAFT DAMPER LOAD. DATA BY MONTH: FEB: 8, W 315 MAR: 9, 3, 3, P 188, AVERAGE MILEAGE 31,000, AVERAGE MILEAGE 5000, W 322 APR: AVERAGE MILEAGE 28247, P 212, 25874 MAY: H 34, 29201 JUN: AV. 22127 SECTION 4: CATEGORY: DETONATIONS. DATA BY MONTH: FEB: NONE UNDER 15,000 MAR: 3207 MILES APR: 12.110 REFERENCE: GWH{George W. Hancock - Head Chateauroux} 1 | ||