'Goshawk II' engine starting switch, suggesting Bakelite Micarta as an alternative to mica insulation.
| Identifier | WestWitteringFiles\G\June1921\ Scan24 | |
| Date | 10th June 1921 | |
| To BA. from E. {Mr Elliott - Chief Engineer} Copy to CS. WGR. BY. {R.W. Bailey - Chief Engineer} HS. {Lord Ernest Hives - Chair} EFC. {E. Fowler Clarke - Electrical Engineer} RECEIVED ORIGINAL. EL/G10/6/21. X.3915 RE "GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" ENGINE STARTING SWITCH. X.3513 We send you herewith drawing Lec.1404 shewing the above. The drawing shews mica insulation in places where the contact depends upon the pressure of the insulation. Mr. Royce thinks that Bakelite Micarta could also be tried in these places as an alternative. E. {Mr Elliott - Chief Engineer} | ||
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).