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).
Modifications to the Wraith II hand brake mechanism to reduce cost.
| Identifier | ExFiles\Box 148\5\ scan0136 | |
| Date | 18th January 1937 | |
| 1064 SECRET Policy MARTINDALE File C.E., Ex. Rm.{William Robotham - Chief Engineer} HPS.{Horace Percy Smith - Experimental Factory Mgr} E/EW. E/HDY.{William Hardy}1/HP.18.1.37. Wraith II. Modifications to Hand Brake Mechanism to Reduce Cost. We send herewith N.Sch.4971 showing the above modifications to LeC.5224. The principal alterations are:- (1) The deletion of the extension on the forging between the curved part of the lever and the handle. (2) The elimination of brazing from the lever shaft and the reduction of the number of pieces. (3) The use of a single rack bolted directly to the frame. E/HDY.{William Hardy} N.Sch.4971 herewith. | ||