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).
Graph comparing oil consumption at 3/4 full load for different piston and ring configurations on an E.A.C. Engine V Series.

Identifier  ExFiles\Box 180\M3\M3.1\  img002
Date  31th March 1925
  
E.A.C. ENGINE V SERIES OIL CONSUMPTION AT 3/4
FULL LOAD
31/3/25
OIL CONSUMPTION.
PTS PER HOUR
4 3 2 1 0
R.P.M.
2000 2250 2500 2750
OLD TYPE STD PISTONS WITH STD RINGS & SCRAPER
LATEST PISTONS (PISTONS E 73407) & STD RINGS (RINGS E 73287-91)
PISTONS E 73273
RINGS E 73287-91
OLD TYPE PISTONS WITH L SECTION RINGS
  
  


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