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).
Issues with fitting control pins, comparing press fit, solid riveting, and a preferred taper fit.
| Identifier | ExFiles\Box 66a\4\ scan0096 | |
| Date | 5th May 1925 | |
| +8210 By.{R.W. Bailey - Chief Engineer} c. GJ. c. Hs.{Lord Ernest Hives - Chair} BY12/H.{Arthur M. Hanbury - Head Complaints} 5.5.25. CONTROL PINS. E1/M.{Mr Moon / Mr Moore} 20.4.25. It is not possible to control the size of the holes in the lever ends and the diameter of the pins to ensure a press fit, as the pins are produced on automatics, and a limit of .002 is essential. We are at present solid rivetting the pins, thereby filling out the holes. We would of course prefer the taper fit you propose to revert to, as we feel that this is the only way of obtaining an excellent job. BY.{R.W. Bailey - Chief Engineer} [Handwritten signature] | ||