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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 20 HP narrow hubs to improve design.

Identifier  ExFiles\Box 172\1\  img151
Date  18th May 1929
  
RR 785 REVISED (10H) (D.C. 777 - 29 - 2 - 28) MC C.L.TD
COMPLETED 13.6.29
STANDARDISATION of CHASSIS PARTS.
Date 18.5.29
Description of Parts. 20 HP. NARROW HUBS.
Drawing No. X No. 5810
Part List
Origin. To improve design.
Experimental Test Report.
This design follows the recent Phantom modification - the hubs are made narrower so that wheels do not stand out so far.
Road Test Report.
Tested 10,000 miles on 14-G4.
Run 7500 miles on 12-G4.
No troubles.
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.
Weight of New Part.
Difference per Car.
Cost of Old Part. £ 29. 8. 10
Cost of New Part. £ 27. 15. 10
Difference per Car. £ 1. 13. 0 decrease.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}11.6.29. G.{Mr Griffiths - Chief Accountant / Mr Gnapp}
Cost of Parts in Works which will be scrapped if commenced on :-
Series.........£.......
Series.........£.......
Series.........£.......
STAMP: 20. H.P. CHASSIS
INITIAL | DATE | REMARKS
BJ. | 13.6.29 | Agreed. Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 23/5/29 | Agreed F.H.R. - hubs.
WOR.{Arthur Wormald - General Works Manager} | | WOR{Arthur Wormald - General Works Manager}/EWT
RG.{Mr Rowledge} | 22.5.29 | Agreed. RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 23.5.29 | Agreed. DA.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 22.5.29 | Agreed. BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 22.5.29 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 23/5/29 | Agreed OE
PN.{Mr Northey} | 24.5.29 | Agreed. PN.{Mr Northey}
CWEX | | Agreed. C.
Hs.{Lord Ernest Hives - Chair} | 18.5.29 | Agreed. Hs.{Lord Ernest Hives - Chair}
  
  


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