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).
With a sketch requesting an inquiry into the production of sylphon tubing for a 40/50 HP chassis.
| Identifier | Morton\M11\ img220 | |
| Date | 23th September 1919 | |
| To WD.{Mr Wood/Mr Whitehead} from E.{Mr Elliott - Chief Engineer} Copy to CJ. " " DN. " " EFC. ORIGINAL 3. S.D / G18/9/19. S.D. RECEIVED 23 SEP 1919 X.3652 RE SYLPHON TUBING. In accordance with Mr. Royce's request would you kindly enquire whether the metal spinners and pressers in Birmingham can produce a sylphon tube from a plain tube made by a cartridge like process. We send you herewith a model of a 2.375 diameter sylphon tube. On the sketch below we give the dimensions of the actual sylphon tube that we propose to fit on the 40/50 H.P. chassis, which we want the Birmingham people to make if possible. [Sketch with dimensions and notes] 2.000" 1.375" 1.900 .200 E.{Mr Elliott - Chief Engineer} No of corrugations to be as shown THICKNESS OF MATERIAL ABOUT .006 AS MODEL 9. | ||