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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 report for an improved Magneto and Dynamo drive on the 20/25 HP chassis.

Identifier  ExFiles\Box 172\1\  img206
Date  16th January 1931
  
RR 788 (10M) (3-7-30) EM. 6/2571. ORIGINAL COMPLETED 26.11.31.
STANDARDISATION of CHASSIS PARTS. Date 16.1.31.

Description of Parts: Magneto and Dynamo drive.
Origin: Improved dynamo drive to overcome gear rattles.

Experimental Test Report.
This was tested and standardised on Phantom II.

Road Test Report.
This was fitted to 18.G.IV. and ran 10,000 miles. There has been no gear rattles. The drive has given no trouble. A modification is to be made for timing of magneto.

[Stamped across document: 20/25 H.P. CHASSIS]

Weight of Old Part.
Cost of Old Part. £ 18.14. 7d.
Weight of New Part.
Cost of New Part. £ 19. 6. 1d.
Difference per Car.
Difference per Car. £ 11. 6d. Increase

Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}23.11.31. G.22.11.31. Wor.{Arthur Wormald - General Works Manager}

[Right Hand Box]
X No. X. 5100
Drawing No. LEC. 2607.
Part List sch. 2615. 2163.
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.

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

[Approval Table]
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 24.11.31 | Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 1/2/31 | [illegible signature]
WOR.{Arthur Wormald - General Works Manager} | 16.1.31. | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 21.1.31. | Agreed C.
RG.{Mr Rowledge} | 19.1.31. | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 21.1.31. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 19.1.31. | Agreed BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 16.1.31. | Agreed. Noticed oil leak from this drive 18-G4 should be cured. EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 21.1.31. | Agreed AE.
PN.{Mr Northey} | 21.1.31. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
  
  


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