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).
Request to manufacture 27 thrust springs for Bentley clutches and to fit a set to unit 5-B-IV.
| Identifier | ExFiles\Box 85\2\ scan0273 | |
| Date | 20th August 1936 | |
| To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Smth.14/JH. 20.8.36. Bentley Clutch Springs. Will you please make us a further 27 (3 sets) of thrust springs to Ex.23740, but with free length 2.720". The rate is 165 lbs/ins. and the load at 1.690" is 170 lbs. We will call these Rm.{William Robotham - Chief Engineer}196. Will you please fit a set of these to the unit for 5-B-IV. Hs{Lord Ernest Hives - Chair}/Smth. | ||