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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).
Two new provisional British patent suggestions for carburetter designs.

Identifier  ExFiles\Box 66a\1\  scan0198
Date  29th October 1927
  
To BY.{R.W. Bailey - Chief Engineer} from R.{Sir Henry Royce}
c. to BJ. Hs{Lord Ernest Hives - Chair}½
X8080
R1/M29.10.27.

NEW PROVISIONAL PATENTS.
BRITISH.
CARBURETTERS.

X. 8080
[struck through text] X. 728

E.{Mr Elliott - Chief Engineer} suggests that an expanding carb. of any type could be coupled to the centrifugal governor - i.e. in our case to the auto: advance relay, which depends on increase of speed for opening out the carb.

R.{Sir Henry Royce} suggests a restrictor in the venturi of a straight through carb., to be drawn downwards or backwards by an air vessel depending upon the depression in the carb., or other automatic or manual means.

R.{Sir Henry Royce}
  
  


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