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).
Test data and circuit diagrams for an electrical component.

Identifier  ExFiles\Box 163\1\  img002
Date  7th July 1931
  
[Table]
Column Headers: TEMP. °C., DELIVERY Pts/HR., VOLTS (RUNNING FREE), AMPS (RUNNING FREE), VOLTS WHEN SWITCHING, AMPS WHEN SWITCHING.
Row 1: 40, 115, 11.75, 2.75, 11.75, 2.9
Row 2: 37, 118, 11.75, 2.85, 11.75, 3.35
Row 3: 38, 120, 11.75, 2.8, 11.75, 3.6
Row 4: 30, 120, 11.75, 2.42
Row 5: 25, 126, 11.75, 2.65
Row 6: 22, 136, 11.9, 2.8

[Notes below table]
115 Pts/hr @ 40°C
128 Pts/hr @ 26°C
Delivery
Diagram labels: 10/1, 1/1
Nett effect of different level & pump
  
  


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