Test report on the performance of various vehicle components at different mileages.
| Identifier | ExFiles\Box 7\1\ 600b 27 G V1 Mx Car-page77 | |
| Date | 16th February 1939 | |
| -3- There is no tendency for brakes to 'thump' and no clanking from front brakes when released. Mileage 5,318 Servo lining in RAD.13 material. Continues quiet in operation. Mileage 12,184. Steering. Good. No low speed wobble. A steering cam with bearing cones lapped instead of ground to facilitate production was fitted at time of last modifications. Is satisfactory in use. Mileage 5,318. Fan. By means of an indicator we have proved the engine moves forward on the rubber mounting .180 inches with emergency braking on dry road at 40 m.p.h. The clearance of .475 inches obtained with revised fixing of radiator stays should be adequate. Petrol Pump. Cheaper and improved type Se.318. This is so far satisfactory, either side of pump will cope with maximum demand. Rear Axle. Continues quiet. Total mileage of this unit with carbon steel tubes 38,088 " " " " " " 8 x 34 gears 24,207 Suspension. Lower rated front springs and front roll rod. There is an improvement in the ride and controllability. Mileage 5,318 | ||
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).