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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).
The testing and modification of a Borg & Beck clutch test rig for Cricklewood.

Identifier  ExFiles\Box 159\6\  scan0036
Date  9th June 1938
  
13 7/p also 1110

TO RHC{R. H. Coverley - Production Engineer}/CB.

Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}2/JH.9.6.38.

re Borg & Beck Clutch Test Rig for Cricklewood.

We have tested the above rig and find it entirely satisfactory.

The readings obtained agree exactly with the first rig.

We suggest you have it dull plated before despatch to prevent rust.

Please make 4 plates for raising the finger to sketch below.

< 1.350 ±20 >
.500 ±20
3.000 ±50
.300 ±20 O .093 hole
4OFF S/M 16 SWG

Also the stop screw in the end of the beam should be filed down so that the weight slider will pass over it thus.

Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}
  
  


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