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).
Brake tests and component measurements after covering a specific mileage.
| Identifier | ExFiles\Box 12\5\ 05-page269 | |
| Date | 21th March 1931 | |
| Hs{Lord Ernest Hives - Chair} 87360. BRAKE TESTS. 22-EX. 21.3.31. 107 miles have been covered on Carburetter tests since the last report. Measurements cold in Shop. Foot Pedal 4¾". Front Toggles 15/16". 10 miles braking 40 - 10 every ½ mile. 12 brakes 70 - 10. Foot Pedal 4¾". Front Toggles 1". 10 miles braking 40 - 10 every ½ mile. 12 brakes 70 - 10. Foot Pedal 4¾". Front Toggles 1⅛". 10 miles braking 40 - 10 every ½ mile. 12 brakes 70 - 10. Foot Pedal 4¼". Front Toggles 1¼". 10 miles braking 40 - 10 every ½ mile. 12 brakes 70 - 10. Foot Pedal 4". Front Toggles 1⅜". 91 miles. 23.3.31. Cold in Shop. Foot Pedal 4⅛". Front Toggles 1⅜". A.B. Roberts. | ||