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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).
Petrol flow tests and test bed results for a filter gauze on a Phantom III engine.

Identifier  ExFiles\Box 93\2\  scan0196
Date  20th May 1937
  
-2-

Rm{William Robotham - Chief Engineer}/GWH{George W. Hancock - Head Chateauroux}7/R.20.5.37.

Petrol flow tests:-

Fine gauze passes 1 pt in 8 secs.
Coarse " " 1 " " 7 "

The 1 pt in 8 secs. equals 450 pts per hr.

The requirements of the P.III engine is (max) 120 pts per hr.

Test Bed Results.

The fine filter gauze was blocked three quarters
of its area before any noticeable falling off in power. It
is, therefore, quite practicable to use the fine gauze filter
for the P.III which, in our opinion, will prevent the flood-
ing of the carburetters which has taken place.

Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux}
  
  


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