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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).
Chassis dynamo heating test results for various Lucas and Smith dynamo models.

Identifier  WestWitteringFiles\E\June1920\  Scan13
Date  18th June 1920
  
R.R. 199 (250T) (SD676 19-7-17) MP180865

18.6.20.

X.3936 - CHASSIS DYNAMO HEATING TEST RESULTS X.294.

(Maximum output) (first lot)

TABLE DATA:
Column Headers: Dynamo, Maximum ampere output (Start, Finish), Initial or ambient temperature, Final temperature (°C) (Thermom, Field coil).

Row 1:
Dynamo: Lucas E.575 No. X.
Maximum ampere output Start: 12.5
Maximum ampere output Finish: 9.5
Initial or ambient temperature: 15
Final temperature (°C) Thermom: 76
Final temperature (°C) Field coil: 128

Row 2:
Dynamo: Lucas E.575 No.97.
Maximum ampere output Start: 14.6
Maximum ampere output Finish: 11.1
Initial or ambient temperature: 18
Final temperature (°C) Thermom: 74
Final temperature (°C) Field coil: 141

Row 3:
Dynamo: Lucas E.575.
Maximum ampere output Start: 12.1
Maximum ampere output Finish: 9.3
Initial or ambient temperature: 17
Final temperature (°C) Thermom: 81
Final temperature (°C) Field coil: 102.5 (control coil)

Row 4:
Dynamo: Smith (T & M) Type A.{Mr Adams}
Maximum ampere output Start: 15.1
Maximum ampere output Finish: 11.4
Initial or ambient temperature: 17
Final temperature (°C) Thermom: 81
Final temperature (°C) Field coil: 130.

Row 5:
Dynamo: Smith (T & M) Type 2D (C)
Maximum ampere output Start: 14.7
Maximum ampere output Finish: 9.4
Initial or ambient temperature: 17
Final temperature (°C) Thermom: 81
Final temperature (°C) Field coil: 137

EFC.
  
  


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