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).
Specification table for wear adjustments on two types of Bentley clutches.
| Identifier | ExFiles\Box 85\2\ scan0207 | |
| Date | 20th November 1935 | |
| X212 To Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Smth.15/KW.20.11.35. Wear Adjustments on Bentley Clutches. Standard Bentley 10" B. & B. with N. Sch. 3948 3.000" Operating Lever -------------------- --------------------- Pedal Corresp. Pedal Corresp. Move't. Fabric Move't. Fabric Wear Wear Wear before adj. .880 .021 .950 .0255 is necessary (i.e. until the pedal reaches the floor boards). Total possible 6.050 .148 3.880 .104 adjustment Hs{Lord Ernest Hives - Chair}/F.ll.Smith. | ||