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).
Vehicle component performance including vibration, an oil-tank cap, pedal plates, a radiator, and bonnet beading.
| Identifier | ExFiles\Box 20\11\ Scan015 | |
| Date | 24th June 1912 guessed | |
| (2) vibration between 18 and 25 m.p.h. I should not call this actually a period but is an extremely harsh vibration throughout the car, taking particular effect on the body work and dashboard etc. This occured only at full or nearly full throttle. New Oil-tank Cap. This matter I believe has been settled as far as efficiency goes and the Drawing Office are carrying out some alterations to render it more convenient for machining purposes. Special Pedal Plates. The drivers impression of these was that they were very comfortable and convenient. They certainly overcome any chance of ones foot catching the steering column bracket, and I do not think they are unsightly. Ferman Radiator. We were not troubled with over-heating but this run could not be called a good test for this purpose. Beading and extra clip on Bonnet. This beading does not seem to do its work thoroughly at all points as it appears to bear at local spots only, particularly at the corners and top, the intermediate | ||