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).
Design blueprint for a balance-weight crankshaft with multiple section views and design features.

Identifier  ExFiles\Box 14\2\  Scan071
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
1.600
1.750
3.000
2.250
1.100
SECTION AA{D. Abbot-Anderson} LOOKING
7.000 DIA
3.300
SECTION BB LOOKING
SECTION CC LOOKING
STAMP: 25 NOV 1928
HANDWRITTEN: TJW 22/11/28
  
  


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