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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 improved 20 HP steering geometry.

Identifier  ExFiles\Box 106\3\  scan0199
Date  22th December 1927
  
RR 78B REVISED (10M) (DE 649 9-12-26) BM. 2/1187. 15430 COMPLETED 13.2.28
STANDARDISATION of CHASSIS PARTS.
Date 22.12.27

Description of Parts: 20 HP. IMPROVED STEERING GEOMETRY.
X No. 5430
Drawing No.
Part List

Origin: To reduce road reactions on 20 HP. steering wheel.

Experimental Test Report.
We have run this 7000 miles on the road and 50 hrs. on the bump. None of the new parts have failed.

Road Test Report.
This improvement will remove the cause of the majority of complaints which we at present receive about the 20 HP. steering.

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. £10-16-11
Weight of New Part.
Cost of New Part. £10-1-10
Difference per Car.
Difference per Car. £0-15-1 Decrease

Cost of Parts in Works which will be scrapped if commenced on:-
Series.........£.......
Series.........£.......
Series.........£.......

Signature from Cost Dept. that above is correct. GRH 5/3/28

INITIAL | DATE | REMARKS
BJ. | 13.2.28 | agreed of
R.{Sir Henry Royce} | 8.1.28 | Agreed. FHR.
WOR.{Arthur Wormald - General Works Manager} | 23.12.27 | Agreed. Wor.{Arthur Wormald - General Works Manager}
RG.{Mr Rowledge} | 23.12.27 | Agreed. RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 2.1.28 | Agreed. Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 22.12.27 | Agreed. BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 22.12.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} | Very desirable to put in production immediately.
E.{Mr Elliott - Chief Engineer} | 3.1.28 | Agreed. E.{Mr Elliott - Chief Engineer}
PN.{Mr Northey} | 23.12.27 | Agreed. PN.{Mr Northey}
CWB. | 29.12.27 | Agreed. CWB. | This is most urgently required.
Hs.{Lord Ernest Hives - Chair} | 22.12.27 | Agreed. Hs.{Lord Ernest Hives - Chair}

[STAMPED TEXT: 20 H.P. CHASSIS]
  
  


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