Rolls-Royce Archives
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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).
Damping scheme for engine torque vibrations, which refers to an external sketch.

Identifier  ExFiles\Box 25\3\  Scan323
Date  2nd March 1928
  
Hs.{Lord Ernest Hives - Chair} from DA{Bernard Day - Chassis Design}/Hdy.{William Hardy}
X634
DA{Bernard Day - Chassis Design}/Hdy{William Hardy}1/M2.3.28.
ENGINE TORQUE VIBRATIONS. X.8005
X.634
I give below a sketch of the damping scheme
referred to in R3/M19.2.28., in order that you may know
what is intended, and be able to test it temporarily should
torque vibrations again come into prominence.
DA{Bernard Day - Chassis Design}/Hdy.{William Hardy}
SEE ORIGINAL FOR SKETCH.
  
  


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