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).
Modification to the drawing for Wraith and Bentley III bottom tappets to prevent push rod jamming.
| Identifier | ExFiles\Box 100\3\ scan0002 | |
| Date | 7th February 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} 454 Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}6/AP.7.2.38 2000T WRAITH AND BENTLEY III. BOTTOM TAPPETS. In view of the trouble experienced on B.III. No.2. unit with regard to the push rod getting jammed between the wall of the tappet and the push rod housing, the drawing has now been modified to prevent this occurring. Will you please instruct therefore that all future tappets be ordered to the latest drawing EW.1467 Alt.19524 E.{Mr Elliott - Chief Engineer} A set is required as soon as possible to be sent out and fitted to 26.G.Vl.{V. Lewis / Mr Valentine} (15,000 miles test) Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||