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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 a chassis part, specifically the ballast resistance with a vitreous insulator.

Identifier  ExFiles\Box 171\2\  img003
Date  15th October 1931
  
RR 788 (10M) (8489. 24-10-30) 6/3188. ORIGINAL COMPLETED 28. 1. 32.
STANDARDISATION of CHASSIS PARTS.
Date 15.10.31
No. 7720
Drawing No.
Part List
Description of Parts. BALLAST RESISTANCE WITH VITREOUS INSULATOR IN ONE PIECE AND THE WIRE FASTENED MECHANICALLY TO TERMINALS.
Origin. The hard soldering operation of joining the wire has proved unsatisfactory, breakages have occurred in service.
Experimental Test Report.
Road Test Report.
This method of connection is considered to be much superior to the old as it requires considerable skill and experience to ensure that the brazed joint remained satisfactory in service.
Used satisfactorily on 25-EX for 22,000 miles.
[STAMP: PHANTOM II 20/25 H.P. CHASSIS]
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. £ - 10d
Weight of New Part.
Cost of New Part. £ - 6d
Difference per Car.
Difference per Car. £ - 4d Decrease
Cost of Parts in Works which will be scrapped if commenced on:-
Series.....£......
Series.....£......
Series.....£......
Signature from Cost Dept. that above is correct. G/RD. 26.1.32. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 26.1.32. Wor.{Arthur Wormald - General Works Manager}
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 27.1.32 | Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 21/10/31 | Agreed R.{Sir Henry Royce}
WOR.{Arthur Wormald - General Works Manager} | 16.10.31. | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 17.10.31. | Agreed C.
RG.{Mr Rowledge} | 19.10.31 | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 19.10.31. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 16.10.31. | Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 16.10.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 22.10.31. | Agreed AE.
PN.{Mr Northey} | 19.10.31. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed.
  
  


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