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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 of Phantom III brake friction lining made of Ferodo M.R. to increase braking power and reduce squeak.

Identifier  ExFiles\Box 171\2\  img355
Date  4th October 1937
  
RR 755 (10M) 38137 7.4.37 WHK 26070
COMPLETED 18.11.37.
PHANTOM III STANDARDISATION of PARTS.
Date 4.10.37.
X No. 1180.
Drawing No. G.S/3619/20/21.
Part List G.S3622.
Description of Parts: BRAKE FRICTION LINING MADE OF FERODO M.R.
Origin: TO increase the braking power, and to reduce the tendency to squeak.
Report of Experimental Test.: Ran 16,000 miles on 32-EX and gave good results. No squeaks occurred at all. Is also fitted to 37-EX and 39-EX. Ran in France in conjunction with Chromium drums made by the Midland Motor Cylinder Co.
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
Cost of New Part
Nett Increase Decrease
NO DIFF'RENCE.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 1.10.37.
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 11.10.37. | Agreed Sg.{Arthur F. Sidgreaves - MD} } It was agreed at the conference that this could be introduced at the Dist. in "D" and that stocks of the present material should be handed to Hd.{Mr Hayward/Mr Huddy}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs{Lord Ernest Hives - Chair} }
C. | 5.10.37. | Agreed C.
XE. | |
DA.{Bernard Day - Chassis Design} | 11.10.37. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 11.10.37. | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | |
RHC.{R. H. Coverley - Production Engineer} | 11.10.37. | Agreed RHC.{R. H. Coverley - Production Engineer}
MX.{John H Maddocks - Chief Proving Officer} | 11.10.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer}
RM.{William Robotham - Chief Engineer} | 4.10.37. | Agreed Rm.{William Robotham - Chief Engineer}
  
  


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