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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).
Performance of the 40/50 centralised lubrication system after a 2500-mile test.

Identifier  ExFiles\Box 26\5\  Scan168
Date  26th June 1928
  
43806
To R.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
c. to BJ: Wor.{Arthur Wormald - General Works Manager}
c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}
c. to BY.{R.W. Bailey - Chief Engineer}

Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}2/LG26.6.28.

40/50 CENTRALISED LUBRICATION.

We believe that now we have a reasonable oil supply to all the points of the chassis. We have overcome the original difficulty we had with the distribution in the pivot system.

The one remaining point that we have previously mentioned is the single Bijur drip plug filter being inadequate in area for the amount of oil passing to the pivot system.

We have run 23 hrs. on the bump with the complete system - no pipes have so far failed or given other trouble.

We did not have a failure during the 2500 miles running in France.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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