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 power losses due to 1st and 2nd motion shafts for a PII Synchromesh gearbox under different oil conditions.

Identifier  ExFiles\Box 15\5\  Scan282
Date  7th May 1932 guessed
  
P.II SYNCHROMESH
POWER LOSSES DUE TO 1ST AND 2ND MOTION SHAFTS.
TORQUE AT A = 96 LBS. INS.
B = 65 LBS. INS.
REQUIRING 15 LBS. ON LEVER
TO CHANGE INTO TOP GEAR
IO ..
Q/H
COLD OIL
A
B
OIL AT 40°C
NO OIL
R.P.M.
  
  


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