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Shock damper and governor unit specification for model 28-EX.


Identifier  ExFiles\Box 151\2\  scan0179
Date  9th February 1934
  
To RHC. {R. H. Coverley - Production Engineer}
X4675
T
7003
Hs {Lord Ernest Hives - Chair} /Les.2/KW.9.2.34.

Shock Damper Specification for 28-EX.
------------------------------------

SHOCK DAMPERS.

(1) 400 lbs/In. rating valve spring F.86005.
(2) Glands Hs. {Lord Ernest Hives - Chair} 1077.
(3) Valve damping discs with .020" clearance.
(4) Front dampers fitted with 1¼" diam. bellows instead of 1½" diam.

GOVERNOR UNIT.

(1) Bore of pump increased to .812" diam.
(2) Larger main release valve to N.Sch.3969.


Hs {Lord Ernest Hives - Chair} /I.A.Leslie.
  
  
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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