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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).
Faulty battery ignition and condenser troubles due to incorrect machining.

Identifier  ExFiles\Box 34\1\  Scan197
Date  26th June 1920
  
x2512

EP.{G. Eric Platford - Chief Quality Engineer} from By.{R.W. Bailey - Chief Engineer}
c. to Sft.{Mr Swift}
c. to Mr. Brock.
c. to EFC.

ByZ/P26.6.20.

X.3129. RE FAULTY BATTERY IGNITION & CONDENSER TROUBLES. X.2512.

Referring to your memo EP{G. Eric Platford - Chief Quality Engineer}2/F22.6.20, re the
above, I had had a condenser from the works and find when
the terminal is fitted and the nut tightened up there is
a clear thread above the nut and therefore I don't consider
it is necessary to lengthen the stud as suggested by you.

What actually has happened on the condensers
you complain of is, the boss on the cases have not been
machined enough, thereby leaving them from 20 to 40 thous, too
thick. This natually appears to shorten the stud, in which
case the nut will not screw on the required amount.

Will you please have all condensers with studs
that appear to be short returned to this *department and
we will have them replaced.

Regarding the two nuts that hold the condenser
in position, we are having a new scheme got out which should
overcome all the difficulties you are against, and we will let
you know more in the course of a few days.

By.{R.W. Bailey - Chief Engineer}
  
  


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