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).
Page showing clutch pedal deflection and plate movement data in tables and a diagram.
| Identifier | WestWitteringFiles\M\2Jan1925-March1925\ Scan46 | |
| Date | 25th September 1924 | |
| R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Table 1. Pedal movement. | Plate movement. | Pedal movement. | Plate movement. 0 | 0 | 2.5" | .033" .5" | .002" | 3.0" | .043" 1.0" | .0045" | 3.5" | .054" 1.5" | .009" | 4.0" | .067" The deflection of the clutch pedal was then taken for each 1/2" movement - (Table 11.) Fig 11. Table 11. Pedal movement. | Pedal Deflection. 0" | 0" .5" | .013" 1.0" | .031" 1.5" | .040" 2.0" | .044" 2.5" | .041" 3.0" | .043" 3.5" | .044" 4.0" | .045" Readings taken here. Rod to indicator clamped here. contd :- | ||