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 detailing engine complaints for the 4¼ Litre Bentley model, showing data from July to October 1938.
| Identifier | ExFiles\Box 131\2\ scan0276 | |
| Date | 1st January 1938 guessed | |
| CHART OF COMPLAINTS 4¼ BENTLEY 1938 JULY AUG SEPT OCT NOV DEC ENGINE THROTTLE STICKING DISTORTED 2 22 NEW SPRING FITTED 24 21 NEW SPRING 26 LUBRICN 3 NEW SPRING FITTED 14 SPRINGS STRETCH AND WILL NOT FULLY CLOSE THROTTLE NEW MOD. SATISFACTORY. NOISY VALVE GEAR DUE TO WORN TAPPET ROLLERS AND PINS NIL 1 1 4 HEAVY OIL CONSUMPTION 3 2 1 WATER LEAKS FROM CYLINDERS 2 & 4 PLATES 2 3 4 EXHAUST MANIFOLD STUDS BROKEN 9 2 4 M.S STUDS ARE BEING FITTED TROUBLE DUE TO BENDING NOT STRETCHING EXHAUST MANIFOLD LUGS BROKEN NIL GWH{George W. Hancock - Head Chateauroux} 2 (SHEET 2) 9 | ||