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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).
New drawing for a Cylinder Head with a 3 1/2' bore and a 6.5 to 1 compression ratio.

Identifier  ExFiles\Box 132\4\  scan0234
Date  6th February 1940
  
1124
File
To Rm.{William Robotham - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}
c. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}
c. Ev.{Ivan Evernden - coachwork}
Ev{Ivan Evernden - coachwork}/HH.2/WB.{Mr Brazier/Mr Bell}6.2.40.
Cylinder Head. 3 1/2" bore. 6.5 to 1.
Sec: 5050 - Cylinder.
Please receive herewith two prints of the following new drawing :-
RE.327. Cylinder Head. 1 off.
This drawing is similar to RE.270, except that .104 has been added on the bottom face.
The inlet valve and valve seating will be issued later.
Ev{Ivan Evernden - coachwork}/HH.
  
  


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