Test report detailing troubles and their remedies for the original high-speed servo on the 46-PK car.
| Identifier | ExFiles\Box 73\3\ scan0256 | |
| Date | 11th December 1924 guessed | |
| SHEET 2. TEST NO 1. ORIGINAL HIGH SPEED SERVO - 46-PK CAR. (Driven by PN. {Mr Northey} ) TROUBLES. | CAUSE OR REMEDY. Clutch slipping. | Clutch springs too weak. Braking very inconsistent: Brake equalisation varies. Servo gets very hot: requires re-lining after 800 miles. | Servo system condemned. Reverse pinion seized. | Spare wheel carrier bracket broken. | MILEAGE 3183. [Watermark: DICKINS MADE AT] | ||
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).