Graph showing the static deflection of 'C' Series brake drums, comparing performance with and without a hub plate.
| Identifier | ExFiles\Box 84\2\ scan0298 | |
| Date | 5th February 1935 guessed | |
| 3 STATIC DEFLECTION OF BRAKE DRUMS C SERIES DRUM WITH AND WITHOUT HUB PLATE DEFLECTION OF DRUM = (8.125 / 16.625) X CLOCK READINGS BELOW LENGTH OF LEVER = 19.25" WITHOUT PLATE BRAKE SHOES 8 3/4" CHORD BOTH SETS OF READINGS IN POSITION "C" DEFLECTION OUTWARDS. MAX. NORMAL LOAD WITH PLATE STANDARD SHOES MICROMETER CLOCK READINGS - THOUSANDTHS LOAD - LBS. | ||
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).