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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).
Wiring diagrams for a Lucas E 575 Dynamo, showing different brush connection configurations.

Identifier  WestWitteringFiles\C\May1919\  Scan57
Date  6th May 1919
  
LUCAS E 575. DYNAMO
7.
(a) Plain shunt
O Control brushes lifted.
(b) Control brush connected to -ve brush.
Direct to control brush
(c) Correctly connected
(d) -ve brush disconnected.
(e) Plain shunt using control brush as negative brush.
Direct to control brush

Central Diagram Labels:
M+7
M+7-C
N, S
180°
10°

Diagram of windings, holes, brushes, terminals, etc
Viewed from commutator end

Axis of cross magnetisation due to main current alone
(Considered as passing in at -ve brush and out at +ve brush)

E.T.C.
  
  


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