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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 small dial speedometer for the 40/50 chassis, to be the same dimensions as the 20 HP type.

Identifier  ExFiles\Box 171\1\  img154
Date  3rd September 1928
  
RR 758 REVISED (10M) (D.C. 777-29-2-26) MC C.LTD
COMPLETED 28.9.28
STANDARDISATION of CHASSIS PARTS.
Date 3.9.28
Description of Parts. SPEEDOMETER, SMALL DIAL FOR THE 40/50 SAME DIMENSIONS AS 20 HP. TYPE B.563,800
X No. 7310 8310
Drawing No. 4308
Origin. Request from Sales.
Part List
Experimental Test Report.
This instrument also incorporates a temperature compensating device. Previously the reading has varied with temperature. Tests shew that the new compensation is a marked improvement.
Road Test Report.
Running on 8-EX. Will have completed 10,000 miles before delivered to customers.
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. £ 6. 6. 1
Weight of New Part.
Cost of New Part. £ 5. 12. 1
Difference per Car. £ 14. 0 decrease.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 24.9.28. G.{Mr Griffiths - Chief Accountant / Mr Gnapp}
Cost of Parts in Works which will be scrapped if commenced on :-
Series.......£.......
Series.......£.......
Series.......£.......
STAMP: PHANTOM
INITIAL | DATE | REMARKS
BJ. | 28.9.28 | Agreed. BJ.
R.{Sir Henry Royce} | 5/9/28 | Agreed FHR
WOR.{Arthur Wormald - General Works Manager} | 4.9.28 | Agreed. Wor.{Arthur Wormald - General Works Manager}
RG.{Mr Rowledge} | 7.9.28 | Agreed. RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 5.9.28 | Agreed. DA.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 4.9.28 | Agreed. BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 5.9.28 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} It should be pointed out that this means new unit drive in gearbox. Gearboxes cannot interchange.
E.{Mr Elliott - Chief Engineer} | 5/9/28 | Agreed OEatt
PN.{Mr Northey} | 21.9.28 | Agreed. PN.{Mr Northey}
CWB. | 25.9.28 | Agreed. CWB.
HS.{Lord Ernest Hives - Chair} | 3.9.28 | Agreed. HS.{Lord Ernest Hives - Chair}
  
  


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