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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 chassis parts for an anti-squeak front brake modification.

Identifier  ExFiles\Box 172\1\  img226
Date  8th October 1931
  
RR 785 (10M) (S459, 24-10-30) 6/3165.
ORIGINAL
COMPLETED 18.12.31.
STANDARDISATION of CHASSIS PARTS
Date 8.10.31
Description of Parts. FRONT BRAKES. ANTI-SQUEAK.
Origin. To overcome front brake squeak.
Experimental Test Report. Road Report.
Fitted to 19-GIV and ran 15,000 miles. There has been no squeak throughout the mileage.
for tests in France
STAMP: 20/25 H.P. CHASSIS ARNOLD TYPE
X No. 5360
Drawing LOP. No. G.54313
Part List GL.{G. Linnett}480
A Scrap and replace at all costs, including Chassis already delivered to Customers.
B Scrap and replace on Chassis in Works.
C Scrap present stock and replace on all Chassis not yet handed to test.
D Use existing stock Alteration effective on future Chassis.
Weight of Old Part.
Cost of Old Part. £ 1 - 14 - 2
Weight of New Part.
Cost of New Part. £ 2 - 8 - 2
Difference per Car.
Difference per Car. £ - 14-0 Increase.
Signature from Cost Dept. that above is correct. G/Rb{R. Bowen}14.12.31
Cost of Parts in Works which will be scrapped if commenced on:-
Series.......£.......
Series.......£.......
Series.......£.......
INITIAL, DATE, REMARKS
SG.{Arthur F. Sidgreaves - MD}, 16.12.31, Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce}, 24/10/31, Agreed FMR
WOR.{Arthur Wormald - General Works Manager}, 9.10.31., Agreed Wor.{Arthur Wormald - General Works Manager}
C., 9.10.31., Agreed C.
RG.{Mr Rowledge}, 9.10.31., Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design}, 10.10.31., Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer}, 9.10.31., Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer}, 15.10.31., Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer}, 14.10.31., Agreed AE.
PN.{Mr Northey}, 16.10.31., Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair}, , Agreed.
  
  


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