Modifications to the Wraith II front hub, stub axle, and pivot.
| Identifier | ExFiles\Box 9\5\ 05-page029 | |
| Date | 4th September 1936 | |
| X1044 646 C D LV S C.E. Rg {Mr Rowledge} /Fm. RHC. {R. H. Coverley - Production Engineer} EV. {Ivan Evernden - coachwork} Da. {Bernard Day - Chassis Design} 1/HP.4.9.36. Wraith II - Front Hub and Pivot. Herewith is N.Sch.4889 shewing three modifications to the Hub and Stub axle on Wraith II. (1) Provision of a spigot for the greased retainer in the hub. (2) Depth of stub axle bore reduced to strengthen outer end. (3) Outer ball race retaining washer strengthened by thickening. These modifications should be incorporated in the existing details. Da. {Bernard Day - Chassis Design} | ||
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).