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).
Graph showing dynamo output curves for a 20 HP dynamo.

Identifier  ExFiles\Box 165\6\  img244
Date  1st December 1929
  
M.{Mr Moon / Mr Moore} (High Output Armature) 7° 126° July '28
N (Inter. Output) 7.5° 123° at 80°C Dec '29
20 HP
REPRESENTATIVE OUTPUT CURVE OF STANDARD 20 HP DYNAMO AT 80°C
SPECIFIED CURVE OF OUTPUT REQUIREMENTS FOR 20 HP DYNAMO
DYNAMO OUTPUT CURVES
2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000
30 35 40 45 50 55
E.{Mr Elliott - Chief Engineer} 31.4" DIA' TYRES
  
  


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