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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).
Testing of Bensport ignition contact breaker levers.

Identifier  ExFiles\Box 61b\1\  scan0172
Date  4th July 1933
  
x6119

E.{Mr Elliott - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Wst.
c. to By/RD.
c. to Roy.{Sir Henry Royce}

Hs{Lord Ernest Hives - Chair}/Wst.5/MA.4.7.33.

BENSPORT IGNITION CONTACT BREAKER LEVERS.

We have now tested two Watford contact breaker levers modified by ourselves to drawing DB.{Donald Bastow - Suspensions}346, which enables us to use the standard 20/25 contact breaker spring. Two of these levers have now run 100 hours on the bench satisfactorily without any sign of the pin tearing away from the thin section to which it is rivetted.

We are now preparing to test a further pair of levers which have been made up by Messrs. Norths them-selves to drawing DB.{Donald Bastow - Suspensions}346.

Hs{Lord Ernest Hives - Chair}/Wst.
  
  


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