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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).
Continued discussion on pressure velocity factors, damper loading, and low-pressure passages.

Identifier  WestWitteringFiles\R\2December1927-February1928\  Scan150
Date  1st February 1928 guessed
  
contd :-

-2-

only that if a considerable pressure velocity factor is contemplated the low pressure passage might with advantage be made more tortuous.

Graph 11. shews that quite a large pressure velocity factor can be introduced and yet the damper loading remain substantially independent of its temperature.

The only objection to the dampers as fitted up on 14-EX is that we do not expect the low pressure loading at high axle velocities to remain the same in very hot weather.

Hs{Lord Ernest Hives - Chair}/W.A.Robotham.
  
  


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