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 5 B IV and 'C' Series brake drums under maximum normal brake load.
| Identifier | ExFiles\Box 84\2\ scan0300 | |
| Date | 5th February 1935 guessed | |
| 5 STATIC DEFLECTION OF BRAKE DRUMS DEFLECTION OF 5 B IV x 'C' SERIES DRUMS UNDER MAXIMUM NORMAL BRAKE LOAD 'C' SERIES 5 B IV DEFLECTION OUTWARDS - THOUSANDTHS 30 20 10 0.5 1.0 1.5 2.0 2.5 INCHES 10 20 30 40 DEFLECTION INWARDS - THOUSANDTHS 5 B IV 'C' SERIES | ||