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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).
Standardisation report for brake drums, changing material from 'Millenite' to 'Chromidium' to reduce cost.

Identifier  ExFiles\Box 120\1\  scan0220
Date  31th August 1937
  
RR 755B (10H) 88620 12-8-35 W.H.K. 21800
COMPLETED 7.10.37.
BENTLEY STANDARDISATION of PARTS.
Date: 31.8.37
No. 1028.
Drawing No.
GB.2635.
GB.2663.
Description of Parts: BRAKE DRUMS FRONT AND REAR IN "CHROMIDIUM" INSTEAD OF "MILLENITE".
Origin: To reduce cost.
Report of Experimental Test: Have run 12,000 miles on 3-B-IV against BZ and were in splendid condition at the end of the run.

COST TABLE:
MATERIAL £ s. d.{John DeLooze - Company Secretary} | LABOUR £ s. d.{John DeLooze - Company Secretary} | CHARGES £ s. d.{John DeLooze - Company Secretary} | TOTAL £ s. d.{John DeLooze - Company Secretary}
Cost of Old Part: 2 12 1 | | | 2 12 1
Cost of New Part: 2 4 0 | | | 2 4 0
Nett Decrease: 8 1

Signature from Cost Dept. that above is correct: GRH 26.8.37.

APPROVALS:
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 6-10-37. | Agreed Sg.{Arthur F. Sidgreaves - MD}
WOR.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
C. | 6.9.37. | Agreed C.
E.{Mr Elliott - Chief Engineer} | |
DA.{Bernard Day - Chassis Design} | 8.9.37. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 2.9.37. | Agreed By.{R.W. Bailey - Chief Engineer}
SFT.{Mr Swift} RHC.{R. H. Coverley - Production Engineer} | 30.9.37. | Agreed providing drums are produced on R.R. Foundry.
MX.{John H Maddocks - Chief Proving Officer} | 1.9.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer}
Rm.{William Robotham - Chief Engineer} | 31.8.37. | Agreed Rm.{William Robotham - Chief Engineer}
  
  


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