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).
Bar chart comparing the cooling efficiencies of 'E.A.C. V Series' and '40/50 2 1/4' Matrix' systems at different speeds.

Identifier  ExFiles\Box 24\4\  Scan318
Date  26th March 1925
  
COMPARISON OF COOLING EFFICIENCIES E.A.C AND 40/50
CRITICAL ATS TEMPERATURE. CENTIGRADE DEGREES.
0° 10° 20° 30° 40°
COMPARISON 40/50 AND E.A.C. 30 M.P.H.
40/50 2 1/4" MATRIX
E.A.C. 'V' SERIES
COMPARISON 40/50 AND E.A.C. 40 M.P.H.
40/50 2 1/4" MATRIX
E.A.C. 'V' SERIES
CRITICAL ATS TEMP IS
ATS TEMP ABOVE WHICH IT WILL BE POSSIBLE TO MAKE THE CAR BOIL
IF DRIVEN FOR SUFFICIENTLY LONG FULL THROTTLE TOP GEAR AT THE SPECIFIED SPEED.
26/3/25
  
  


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