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Tensometer test results for a Borg & Beck cast iron clutch plate.


Identifier  ExFiles\Box 129\4\  scan0170
Date  11th March 1938
  
file 1110

✓ To BY. {R.W. Bailey - Chief Engineer} from H1/EJW.
c.c. Rm {William Robotham - Chief Engineer} /Mr. Chandler.

M.1563.
LABORATORY.

H1/EJW.1/GS.11.3.38.

BORG & BECK CAST IRON CLUTCH PLATE.

Tensometer Tests. (Test pieces drawing No.22).

Test Pieces No. Ult Strength. Brinell.
No.1 (Radial). 12.5 Tons/Sq.in. 185
No.2 (Tangential). 14.0 Tons/Sq.in. 185


Handwritten:
Mr chandler
I consider the clutch plate should be between 15 & 18 tons tensile not lower.
By
  
  
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).


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