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 comparing different stroke lengths for standard and short stems.

Identifier  ExFiles\Box 170\2\  img025
Date  2nd April 1931
  
1650
7 1/2 ARM
640"-1"
(STD)
OG - STD. STEM
(STD)
OG - STEM 3/64 SHORT
4" STROKE
7" STROKE
7" STROKE
4" STROKE
Numbers on left diagram: 300, 250, 200, 150, 100, 60
Numbers on middle diagram: 200, 150, 100, 60
Numbers on right diagram: 300, 250, 200, 150, 100, 60
D Furnace DLY 2.4.31
  
  


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