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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).
Milling a flat on the engine support bracket for a Phantom III to create extra clearance.

Identifier  ExFiles\Box 94\2\  scan0194
Date  22th March 1937
  
300 or 328
BY.{R.W. Bailey - Chief Engineer}
c E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} Fm. HPS.{Horace Percy Smith - Experimental Factory Mgr}
E/HDY.{William Hardy}3/HP.22.3.37.
Phantom III.
We send herewith N.Sch. 5093 showing extra clearance for the stay between the engine and gearbox to N.Sch.5072 obtaining by milling a flat on the underside of the engine support bracket.
The need for this operation appears mainly to arise from the bracket forgings being oversize.
N.Sch.5093 herewith.
E/HDY.{William Hardy}
  
  


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