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).
Graph comparing the efficiency of various Bentley brake mechanisms.
| Identifier | ExFiles\Box 85\1\ scan0149 | |
| Date | 20th July 1936 guessed | |
| Title: EFFICIENCY OF BENTLEY BRAKE MECHANISMS. Y-Axis Label: PERCENTAGE EFFICIENCY X-Axis Label: LBS. LOAD ON LAST EXTERNAL LEVER. Data Series Labels: - GIRLING WEDGE. - NEEDLE ROLLER BEARINGS. TOGGLE SHAFT Hs.{Lord Ernest Hives - Chair}/1907 - STANDARD PLAIN BEARING TOGGLE SHAFT. - RM{William Robotham - Chief Engineer}/106 WITH ALL PLAIN BEARINGS. | ||