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Alterations to damper loading by fitting different washers to improve ride quality.


Identifier  ExFiles\Box 11\2\  02-page173
Date  8th April 1929 guessed
  
contd :- -2-

Therefore we favour them because we believe
they give a better low speed ride and at the same time give
increased damping for high speed work.

We attach a sketch showing the location of
the stud which carries these washers. The stud should be
withdrawn and the washers and distance pieces removed for this
test, the stud then being replaced.

With regard to the damper loading. This can
be obtained by altering the washers A. {Mr Adams} under the valve caps
except in the case of the high pressure valve on the front
dampers. (The cap nearest the side channel). In this case
a small washer should be fitted at X.

We are sending under separate cover the washers
to be inserted. Their respective positions are :

REAR
O.S.
L.P. .127
H.P. .000

N.S.
L.P. .076
H.P. .010

FRONT.
L.P. .095
H.P. .070 under spring.

L.P. .122
H.P. .070 under spring.

____________________

Will you please try this alteration to the
dampers as soon as possible, and report on it.

At Derby we have repeatedly tried a low
pressure loading half that of the high pressure loading at
Mr. Royce's request, but our opinion has always been that the
best results are obtained when the

contd :-
  
  
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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