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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).
Comparative test results for a new light float versus a standard float in a carburetter on Shardlow Road.

Identifier  ExFiles\Box 13\4\  04-page166
Date  30th June 1933
  
-3- Ha/Wynn.2/KT.30.6.33.

COMPARATIVE TESTS WITH NEW LIGHT FLOAT IN CARBURETTER.

SHARDLOW ROAD.

STANDARD FLOAT 1.050" LEVEL. LIGHT FLOAT 1.375" LEVEL.

10-30 MPH.
IN. OUT.
3.0 secs 3.5 secs
3.0 3.6
3.0 3.6
Average 3.8 secs.

10-30 MPH.
IN. OUT.
3.8 secs 3.5 secs
3.8 3.6
3.8 3.6
Average 3.7 secs.

30-50 MPH.
IN. OUT.
11.2 secs 10.4 secs
11.2 10.4
11.2 10.4
Average 10.6 secs.

30-50 MPH.
IN. OUT.
11.0 secs 10.4 secs
11.0 10.4
11.0 10.4
Average 10.7 secs.

50-70 MPH.
IN. OUT.
18.0 secs 16.4 secs
17.5 16.6
17.8 16.4
Average 17.15 secs.

50-70 MPH.
IN. OUT.
18.0 secs 16.6 secs
18.0 16.4
18.0 16.3
Average 17.3 secs.
  
  


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