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).
Standardization of spherical unions and a material fault found in smaller sizes.

Identifier  ExFiles\Box 66a\3\  scan0180
Date  6th June 1925
  
48180

To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer}
c. to CJ. Hs.{Lord Ernest Hives - Chair}

E3/M6.6.25.

UNIONS - SPHERICAL TYPE. X.2170
X.8180 X.8190

In response to your enquiry concerning the
above we should be glad if you would do what is necessary
to push forward the standardisation of these unions.
We have found the drawings and blue prints of these
parts most useful for reference furing design, and as
a number of these unions have been incorporated in our
experimental and standard work during thepast 2 years.
Hs.{Lord Ernest Hives - Chair} may be in a position to report on them.
We believe some fault was found in the smaller
sizes, that when made in gunmetal the nipples were too
weak in the neck. These parts may therefore require
slight revision, and where used on lubricating pipes the
material should be steel.
We will have another look at these drawings and
let you know as soon as possible what further points, if
any, require attention.


E.{Mr Elliott - Chief Engineer}
  
  


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