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 engine complaints for the Bentley 4 1/4 Litre model from July to December 1938.
| Identifier | ExFiles\Box 131\3\ scan0013 | |
| Date | 14th December 1938 guessed | |
| CHART OF COMPLAINTS 4 1/4 LITRE BENTLEY 1113. All Testers 1938 JULY AUG. SEPT OCT NOV DEC Row 1: ENGINE BEARING MOD B TAKING SLACK OUT OF BEARINGS ONLY Data: July - 10, Aug - 8, Sept - 4, Oct - 2 Oct Box: REPORTS, Ket DW 252 Key Box (Ket DW 252): P133, P132, P31, P28, N264, N263, N257, N253 Description: COMPLAINT OF THUMP BY TESTERS AND OWNERS Row 2: MOD C DRILLING OF CRANKSHAFT Data: July - NIL, Aug - REPORT P.109, Sept - 10, Oct - A.C.2. FAILURE, Nov - DW 253, K, Dec - K Dec Box: AC2 BEARINGS CHANGED, NOT INCLUDED Description: COMPLAINT OF THUMP BY TESTERS AND OWNERS Row 3: ENGINE ROUGHNESS AND TIMING GEAR RATTLE 1750 - 3000 R.P.M Data: July - TIMING GEARS 2, ROUGH 2; Aug - ER 6, TG 2; Sept - ER 7, TG 5; Oct - TG 3, 10 ER 7; Nov - T.G.R 10; Dec - 10 Description: DEALT WITH BY ATTENTION TO CRANKSHAFT DAMPER. Row 4: DETONATIONS Data: July - (bar present), Aug - 5, Sept - 5, Oct - 2, Nov - 3 Left margin initials: SG{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} C. BY.{R.W. Bailey - Chief Engineer} RM{William Robotham - Chief Engineer} MX.{John H Maddocks - Chief Proving Officer} R.H.C H HD{Mr Hayward/Mr Huddy} SR L.A. K/KC. GWH{George W. Hancock - Head Chateauroux}/K Bottom right corner: GWH{George W. Hancock - Head Chateauroux} 1 (SHEET 2) | ||