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).
Secret memo discussing the jacking system for the Spectre, comparing D.W.S. screw jacks with a future hydraulic system.
| Identifier | ExFiles\Box 139\2\ scan0292 | |
| Date | 22th June 1935 | |
| X1166 To Sg.{Arthur F. Sidgreaves - MD} from E.{Mr Elliott - Chief Engineer} C. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} Ey. E.2/HP.22.6.35. SECRET. Jacking System of SpectreCodename for Phantom III. Referring to your memo Sg.{Arthur F. Sidgreaves - MD}9/E.18.6.35, the first part of E/Lid.{A. J. Lidsey}1/HP.14.6.35 is a record of the initial design development on SpectreCodename for Phantom III Jacks and may be disregarded for present purposes. We think the D.W.S. screw jacks are good enough to carry on with until the hydraulic scheme is ready, and they will be exactly like what we are selling to the public now except that the front jack is carried on the frame crossmember and has a longer stroke to suit. E.{Mr Elliott - Chief Engineer} | ||