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).
Suggesting an experiment to replace the 20HP wheel carrier's central hexagon bolt with a screw-in handle for easier operation.
| Identifier | WestWitteringFiles\Q\July1927-September1927\ Scan107 | |
| Date | 7th September 1927 | |
| HS.{Lord Ernest Hives - Chair} FROM DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork} Copy to SG{Arthur F. Sidgreaves - MD} re. 20HP. WHEEL CARRIERS. X5600 48600 Both Sales and R.{Sir Henry Royce} have suggested that a handle might be more convenient for operating the central bolt of the 20HP. wheel carriers. We cannot use the 40/50 bolt scheme without radical changes in the carrier design. We would however like to try the present stud scheme operated by means of a handle, and for the experiment we suggest that you replace the hexagon by a screw thread, and screw in a standard 40/50 handle, thus - [Diagram showing a cross-section of a wheel carrier hub with a screw-in handle attached] 40/50 HANDLE. This would be no worse from the point of binding the thread than is the use of an ordinary fixed spanner on the hexagon. Would HS.{Lord Ernest Hives - Chair} kindly report on this when we will discuss the matter with R.{Sir Henry Royce} DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork} | ||