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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).
Self-starter failure for Chassis 183-XJ, diagnosing an overly strong pinion spring.

Identifier  ExFiles\Box 47\2\  Scan257
Date  16th April 1930
  
x4117

Br.{T. E. Bellringer - Repair Manager}
C. to EFG.
C. to Hs.{Lord Ernest Hives - Chair}
C. to EF.
C. to E.{Mr Elliott - Chief Engineer}
C. to Mx.{John H Maddocks - Chief Proving Officer}
C. to Wer.

Hm{Capt. W. Hallam - Head Repairs}5/W16.4.30.

Chassis 183-XJ. Muhlenkamp.

This Car was sent to us with a complaint of failure of the Self-Starter.

It was eventually found that the spring behind the starter pinion was too strong and would not allow the pinion to fidget sufficiently for the tooth of the pinion to work into the flywheel starter ring.

We would suggest that a tension limit is placed on this spring and a special bench test made when the starter motor is erected. This might then be the subject of a Depot Sheet.

Hm.{Capt. W. Hallam - Head Repairs}
  
  


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