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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).
Test report on the condition of 28-EX engine valves and hydraulic plungers after standing overnight.

Identifier  ExFiles\Box 17\6\  Scan342
Date  25th March 1935
  
Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}6/KW.25.3.35.

28-EX.

Test of condition of valves after standing all night, outside temperature moderately cold, 13°C. hydraulic plungers in operation.

The engine had balanced up in the following order :-

I E E I I E E I I E E I
2 4 5 6 8 10 11 12 All valves free
7 9 Free after turning eng.
1 3 " " " "

Engine started up in 5 seconds, tappets quiet.

Hs{Lord Ernest Hives - Chair}/G.W.Hancock.
  
  


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