Rolls-Royce Archives
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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).
Drawing showing modifications to the exhaust valve and port for a high power head.

Identifier  ExFiles\Box 133\1\  scan0095
Date  30th July 1934
  
SCT 39
HIGH POWER HEAD
1.700" DIA
1.600" DIA
.125"R.{Sir Henry Royce}
15°
.100R
.500"R
.200"R
.250"R
.875" R
1.450" R
MODIFICATIONS TO EXHAUST VALVE AND PORT
ALL OTHER DIMENSIONS FROM E.B. 1993.
NOTE:- THE DOTTED LINES SHOW THE ULTIMATE EXTENSIONS OF THE MODIFICATIONS.
JCS
  
  


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