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 plotting leakage against shaft speed from an Acme thread test on B50 rear axle oil seals.

Identifier  ExFiles\Box 111\4\  scan0113
Date  1st May 1939
  
ACME THREAD TEST (B50 REAR AXLE OIL SEALS)
DIAMETRAL CLEARANCE BETWEEN THREAD & SHAFT .004"
LEAKAGE (PTS. PER HR.)
SPEED OF SHAFT (R.P.M.)
DIRECTION OF ROTATION OF SHAFT REVERSED
PRESSURE 30 LBS/[]"
DETAILS
SCHEME GCD 1340
HOUSING BL 1029
BUSH BL 980
OIL CASTROL XL30
TEMPERATURE 50 C
40 LBS/[]"
30 LBS/[]"
20 LBS/[]"
10 LBS/[]"
2 LBS/[]"
BL 2336
SHEET 2
  
  


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