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 showing the static deflection of a 5 B IV brake drum, comparing the effect of different brake shoes under varying loads.
| Identifier | ExFiles\Box 84\2\ scan0299 | |
| Date | 5th February 1935 guessed | |
| STATIC DEFLECTION OF BRAKE DRUMS 5 B IV DRUM COMPARISON BETWEEN EFFECT OF DIFFERENT SHOES ① SHOES WITH CHORD OF 8¾" ② STANDARD SHOES DEFLECTION OF DRUM = (8.2 / 16.625) x CLOCK READINGS BELOW LENGTH OF LEVER = 19.25" MAX. NORMAL LOAD POSITION 'C' DEFLECTION - THOUSANDTHS LOAD - LBS. | ||