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).
Connecting rod bearing failure from a 9.B.V. car engine due to a broken oil pipe.

Identifier  ExFiles\Box 98\4\  scan0157
Date  19th June 1940
  
Ev.{Ivan Evernden - coachwork} from Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
c. Jnr.{Charles L. Jenner}
File
Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}1/M1.19.6.40.

9.B.V. CAR.

Herewith attached photograph
of the remains of No: 3. conn. rod bearing, A.C.9.
material, removed from Unit B.60. No: 3.

This engine was run without
oil due to a broken oil pipe.

This occurred late at night, and
the first intimation of lack of oil was bearing knocks.

After refilling the engine with oil,
this bearing ran a further 300 miles before being dismantled.

Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
  
  


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