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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 side spare wheel carriers with steadying stays, replacing 5/16' bolts with 3/8' bolts.

Identifier  ExFiles\Box 171\2\  img024
Date  12th August 1932
  
RR 75B (10M) (19120, 13-10-31) BM. 3/7588.
ORIGINAL
COMPLETED 13.9.32
STANDARDISATION of CHASSIS PARTS.
Date 12.8.32.
X No. 7600
Drawing No. 3021
Part List
Description of Parts. SIDE SPARE WHEEL CARRIERS WITH STEADYING STAYS IN FRAME USING 3/8" BOLTS REPLACING 5/16" BOLTS.
Origin. To prevent distortion of chassis frame, thereby steadying spare wheels.
Experimental Test Report. Fitted on Bump test chassis and proved satisfactory.
Road Test Report. Fitted to 19-EX and ran 10,000 miles in France. The 5/16" bolts failed holding brackets to frame. 3/8" bolts fitted were OK. Spare wheels were steadier with these brackets fitted.
Weight of Old Part.
Cost of Old Part. £ 10/7d.
Cost of Parts in Works which will be scrapped if commenced on:-
Series...£...
Series...£...
Weight of New Part.
Cost of New Part. £ 10/11½d.{John DeLooze - Company Secretary}
Difference per Car.
Difference per Car. £ 4½d.{John DeLooze - Company Secretary} Increase.
Signature from Cost Dept. that above is correct. G/RD/N. 9.9.32. Wor.{Arthur Wormald - General Works Manager} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 9.9.32.
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 12.9.32. | Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 20/8/32 | Agreed SMR
WOR.{Arthur Wormald - General Works Manager} | 16.8.32 | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 16.8.32 | Agreed C.
RG.{Mr Rowledge} | 16.8.32 | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 18.8.32 | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 16.8.32 | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 15.8.32. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer}
E.{Mr Elliott - Chief Engineer} | 19.8.32. | Agreed AE.
PN.{Mr Northey} | 31.8.32. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
[Stamp] ORPHAN
  
  


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