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 III Back Axle.
| Identifier | ExFiles\Box 7\3\ X 602 Axle Rear-page40 | |
| Date | 19th April 1937 | |
| SECRET. 602. Confidential. For Office use only. E/HDY.{William Hardy}1/HP.19.4.37. Wraith III Back Axle. We send herewith H.Sch.5108 showing a modification to the shape of the axle tubes adjacent to the hubs,which has been asked for by the tube makers to facilitate their work. The taper portion between the hub and the spring bracket has a slower taper. The spacing of the taper pins in the spring bracket is modified. H.Sch.5108.herewith. E/HDY.{William Hardy} | ||