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).
Testing Ferodo brake linings, noting that while they last longer than cast iron, they cause the brake drums to go out of true.
| Identifier | ExFiles\Box 26\4\ Scan004 | |
| Date | 10th June 1912 | |
| ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. 11 Customer's No. 19 than the cast iron. Herewith is a piece of new material one of the old liners off 2100E after 1377 miles, this is including twice up the Cat & Fiddle, where it was used in conjunction with the side brakes to keep the car speed to 25 m.p.h., this test has often been given to our brakes. The Ferodo if oiled retains it longer than the cast iron. It has been tested with standard leverage brakes. Both the brakes we have had with Ferodo lines, the brake drums have gone out of truth, on one .050" & the other .030", this is serious. It seems as though the heat which is Contd. Signed This Sheet must be filed on completion of the work. | ||