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 of steering and castoring efficiency for a Marles-Weller Type O Standard gear.

Identifier  ExFiles\Box 28\2\  Scan048
Date  30th August 1932
  
MARLES-WELLER GEAR
TYPE O STANDARD
HELIX ANGLE: 10° 30'
RATIO: 13.5 : 1
ADAMANT ENGINEERING COMPANY LIMITED
LUTON BEDS
30TH AUGUST 1932
Y-AXIS: EFFICIENCY %
(A) STEERING EFFICIENCY (FORWARD)
(B) CASTORING EFFICIENCY (REVERSE)
GEAR EFFICIENCY UNDER IMPACT ON DROPARM (REVERSE)
X-AXIS (TOP): (a) & (b) TORQUE INCH/LBS. | 250 | 500 | 750 | 1000 | 1250 | 1500
X-AXIS (BOTTOM): (c) IMPACT LBS. | 10 | 20 | 30 | 40 | 50 | 60
  
  


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