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).
Comparative output curves for C.A.V.NG.R.R., Lucas E.575, and Smith (T&M) Type A dynamos.

Identifier  WestWitteringFiles\C\May1919\  Scan64
Date  12th May 1919
  
COMPARATIVE OUTPUT CURVES
OF
C.A.V.NG.R.R.
LUCAS E.575. TYPE DYNAMOS.
AND SMITH (T&M)
(TYPE A)

WEIGHTS
36 1/2 lbs
29 lbs
32 lbs

(AMPERES)
DYNAMO SPEED (R.P.M)

Curve Labels:
SMITH (T&M) TYPE A (STARTING COLD)
SMITH (T&M) TYPE A (HOT)
CAV.NG.RR. (COLD)
SMITH (T&M)
CAV.NG.RR. (HOT)
LUCAS E.575. (COLD)
LUCAS E.575. HOT

Voltage readings on curves:
15.75, 15.5, 15.0
16.2, 16.6, 16.5, 16.0, 14.0
16.15, 16.05, 16.1, 16.5
16.0, 16.2, 15.0
16.5, 16.0, 15.0

Note (bottom left):
500 575 600 655 725 R.P.M
12.4 13.2 13.6 13.0 13.6 VOLTS.

Note (middle right):
Small figures are operating voltages.

Bottom right corner text:
E.T.C.
12/5/19
  
  


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