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).
Blueprint showing the design and features of a balance-weight crankshaft.

Identifier  ExFiles\Box 137\4\  scan0062
Date  22th November 1928
  
"BALANCE - WEIGHT" CRANKSHAFT.
FEATURES:
1). JOURNALS 2.3.5.& 6 HAVE 1/2 SIZE BALANCE WEIGHTS INTEGRAL WITH SHAFT.
2). JOURNALS 1. 4. & 7 HAVE FULL SIZE BALANCE WEIGHTS. DETACHABLE. PINS CAN NOW BE GROUND.
3). BALANCE INCLUDES BIG ENDS.
4). TORSIONAL PERIOD ESTIMATED AT 4,500.
5). GREATER BIG END BEARING AREA TO COMPENSATE FOR REDUCED MAIN BEARING LOADS.
RIVETED ON
SECTION AA{D. Abbot-Anderson} LOOKING
SECTION BB LOOKING
SECTION CC LOOKING
Dimensions: 1.100, 1.600, 1.750, 2.250, 3.000, 3.300, 7.000 DIA
Stamp: 26 NOV 1928
  
  


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