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).
Blueprints for an experimental cylinder head and valve guides.
| Identifier | ExFiles\Box 72\1\ scan0166 | |
| Date | 28th November 1923 | |
| To File. [struck through] c. to Hs.{Lord Ernest Hives - Chair} X9050 BY/SS{S. Smith}1/DB.{Donald Bastow - Suspensions}28.11.23. EAC.I - X.9050 - CYLINDER HEAD. In accordance with Mr Hives request, please receive herewith two blueprints of each of the following drawings, detailed for Exptl:Extension on Valve Guides to shield the valve stem from heat, similar to that shown on 20 HP LeC.1760:- E.71298 - Valve Guide.(Inlet). E.71299 - Valve Guide.(Exhaust). E.71300 - Cylinder Head, Will you please instruct these up as required for the above experiment - to be used with flat headed valves only. BY/SS.{S. Smith} | ||