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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).
Solution for knocks in rear shock dampers by reducing side clearance for the 'B' series Wraith.

Identifier  ExFiles\Box 9\8\  08-page55
Date  1st November 1938
  
RHC.{R. H. Coverley - Production Engineer}
Rm.{William Robotham - Chief Engineer}
MSc.
GWH.{George W. Hancock - Head Chateauroux}
BR.{T. E. Bellringer - Repair Manager}
Hd.{Mr Hayward/Mr Huddy}
HY{Tom Haldenby - Plant Engineer}/HBP
HY{Tom Haldenby - Plant Engineer}/NS{Norman Scott}

642

BY.7/G.1.11.38.

A.F.M.

REAR SHOCK DAMPERS.

We have read through the memo RHC.{R. H. Coverley - Production Engineer}2/ MC.26.10.38. with interest, and noted the contents. We agree that the cause of the knocks has been controversial, but GWH.{George W. Hancock - Head Chateauroux} has cured several chassis by reducing the side clearance. A specific case was Sg{Arthur F. Sidgreaves - MD}'s Wraith, which had the side clearance reduced from .009 to .003.

In view of this, we must fit the new parts, which enable the reduced clearance to be obtained with a minimum of expense, on 'B' series Wraith.

This action will at least eliminate a percentage of complaints, as we have proved it is a known cure.

BY.{R.W. Bailey - Chief Engineer}
  
  


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