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).
The unsatisfactory method of riveting up bolts, proposing a castellated nut and split pin as a safer alternative.
| Identifier | ExFiles\Box 77\5\ scan0221 | |
| Date | 15th May 1915 | |
| C O P Y. 17515 To Wor.{Arthur Wormald - General Works Manager} for EH from R.{Sir Henry Royce} Copy to J.{Mr Johnson W.M.} " " By.{R.W. Bailey - Chief Engineer} " " Da.{Bernard Day - Chassis Design} " " E.{Mr Elliott - Chief Engineer} " " Na.{Mr Nadin} " " Mr Olley. R4/IB15515. May 15th. 1915. It is quite evident that the method of rivetting up bolts to lock them is quite unsatisfactory. The only safe way really appears to be a castellated nut and split pin. F.H.R. | ||