Bar chart tracking the number of complaints for various issues on the 4¼ litre Bentley from July to December 1938.
| Identifier | ExFiles\Box 131\3\ scan0015 | |
| Date | 14th December 1938 guessed | |
| CHART OF COMPLAINTS 4¼ BENTLEY 1938 JULY | AUG | SEPT | OCT | NOV | DEC ENGINE THROTTLE STICKING JULY: DISTORTED 2, 22 NEW SPRING FITTED, TOTAL 24 AUG: 21 NEW SPRING, TOTAL 21 (previous month 24) SEPT: 3 LUBRICd, 11 NEW SPRING FITTED, TOTAL 14 (previous month 26) OCT: LUBRICT, 5 DISTORT, 6 NEW SPRING FITTED, TOTAL 11 (previous month 14) NOV: SPRING LINK FITTED, LUB 2, DISTORTED, 12 NEW SPRINGS, TOTAL 18 DEC: SPRINGS STRETCH AND WILL NOT FULLY CLOSE THROTTLE. NEW MOD. SATISFACTORY. NOISY VALVE GEAR DUE TO WORN TAPPET ROLLERS AND PINS JULY: NIL AUG: 1 SEPT: 4 OCT: 2 NOV: 4, VALVE SEATINGS DISTORTED, ROLLER & PINS HEAVY OIL CONSUMPTION JULY: 3 AUG: 2 SEPT: 1 OCT: W242 NOV: K126 WATER LEAKS FROM CYLINDERS 2 & 4 PLATES JULY: 2 AUG: 3 SEPT: 4 OCT: 6 NOV: 2 DEC: 2 EXHAUST MANIFOLD STUDS BROKEN JULY: 9 AUG: 2 SEPT: 4 OCT: 1 DEC: 2, M.S. STUDS ARE BEING FITTED TROUBLE DUE TO BENDING NOT STRETCHING. EXHAUST MANIFOLD LUGS BROKEN JULY: NIL GWH {George W. Hancock - Head Chateauroux} 2 (SHEET 2) | ||
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).