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).
Test report detailing a series of brake performance tests on vehicle 22-EX.
| Identifier | ExFiles\Box 12\5\ 05-page265 | |
| Date | 12th March 1931 | |
| LdH2 BRAKE TESTS. 12.3.31. 22-EX. Foot Pedal 5 1/4" from dash. } Cold in shop. Front toggles 3/4" 12 brakes from 70 - 10. Foot Pedal 6". Front toggles 13/16. 10 miles braking 40 - 10 every 1/2 mile. 12 brakes from 70 - 10. Foot Pedal 6". Front toggles 13/16. 12 brakes from 70 - 10. Foot Pedal 6 1/4". Front toggles 3/4". 12 brakes from 70 - 10. Foot Pedal 6". Front Toggles 1". During last test squeak was heard from N.S.R. Brakes. After One Hour standing. Foot Pedal 5 3/4" Front toggles 3/4". 105 miles covered. --------- 10 miles braking hand 40 - 10 M.P.H. every 1/2 mile. 12 brakings from 70 - 10 M.P.H. Foot Pedal 5 3/4". F.{Mr Friese} toggles 1". 10 miles braking hand 40 - 10 every 1/2 mile. 12 brakings from 70 - 10 M.P.H. Foot Pedal 5 7/8" F.{Mr Friese} toggles 1 1/8" 10 miles braking 40 - 10 every 1/2 mile. 12 brakings from 70 - 10 M.P.H. Foot Pedal 5 7/8" F.{Mr Friese} toggles 1 1/8" 10 miles 40 - 10 M.P.H. 12 brakings 70 - 10 M.P.H. Foot Pedal 5". Front toggles 1 1/8". | ||