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).
Requesting to increase the bolt diameter for the 20/25 model's rear damper mounting.
| Identifier | ExFiles\Box 151\2\ scan0213 | |
| Date | 12th March 1934 | |
| X4698 To BX. from HDY. {William Hardy} HDY. {William Hardy} 2/HP.12.3.34 c. Wor. {Arthur Wormald - General Works Manager} E. {Mr Elliott - Chief Engineer} Hs. {Lord Ernest Hives - Chair} DX. R.H.C. Rear Damper Mounting 20/25. Governor Controlled Dampers. Will you kindly increase the diameter of the bolts which secure the dampers side plates to the frame brackets to .500 as shown on N. Sch.4010 herewith as the .375 bolts shown on N. Sch.3902 work loose on 400 lbs ball pin load, i.e. with 100 lbs overload. HDY. {William Hardy} | ||