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).
Performance analysis graphs and diagram for an E.A.C. Servo mechanism.

Identifier  ExFiles\Box 26\4\  Scan234
Date  18th November 1924
  
E.A.C. SERVO
TANGENTIAL P
Mech Gain P/W
LOAD W
Graph A:
Y-axis: MECHANICAL GAIN
X-axis: TIME RUN. MINS.
Boxed Text: VARIATION IN MECH GAIN WITH TEMPERATURE, W = 10.5 LBS, DRUM SPEED 500 R.P.M
Graph B:
Y-axis: MECHANICAL GAIN
Top X-axis: DRUM REVS/MIN
Bottom X-axis: EQUIVALENT ROAD SPEED M.P.H
Boxed Text: VARIATION IN MECH GAIN WITH SPEED, W = 10.5 LBS, TEMP DRUM - 100°C
Graph C:
Y-axis: MECHANICAL GAIN
X-axis: LOAD W IN LBS WT.
Boxed Text: VARIATION IN MECH GAIN WITH LOAD, DRUM SPEED 500 RPM, DRUM TEMP 100°C
Signature: W.A.R.
  
  


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