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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, specifically aluminium brush holders for the 40/50 starter motor.

Identifier  ExFiles\Box 172\3\  img081
Date  22th April 1925
  
RR 755 (10M) (SL391 2-11-23) MP 281297
ORIGINAL COMPLETED 28.5.25.
STANDARDISATION of CHASSIS PARTS.
Description of Parts. ALUMINIUM BRUSH HOLDERS FOR 40/50 STARTER MOTOR.
Date 22.4.25.
X No. 3728
Drawing No.
Part List
Origin. To save weight.
Experimental Test Report.
A 40/50 starter motor fitted with these alum: brush holders has run 10,000 miles on 98-NK car in France entirely satisfactorily.
See also JB.96 report attached.
Road Test Report.
Run on 98-NK car in France 10,000 miles.
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. £
Weight of New Part.
Cost of New Part. £
Difference per Car.
Difference per Car. £ Negligible.
Cost of Parts in Works which will be scrapped if commenced on:—
Series......... £.........
Series......... £.........
Series......... £.........
Signature of Mr. De LOOZE that above is correct. My/Rns. 21.4.25.
SIGNATURES | DATE | REMARKS
MR. JOHNSON | 28.5.25 | Agreed. C.Johnson.
MR. B. JOHNSON | 28.5.25 | Agreed. B.J.
MR. ROYCE | 23/4/25 | Agreed. FHR
MR. WORMALD | 21.4.25 | Agreed. Wor.{Arthur Wormald - General Works Manager}
MR. ROWLEDGE | 27.4.25 | Agreed. Rg.{Mr Rowledge}
MR. DAY | 21.4.25 | Agreed. Da.{Bernard Day - Chassis Design}
MR. BAILEY | 21.4.25 | Agreed. BY.{R.W. Bailey - Chief Engineer}
MR. PLATFORD | 22.4.25 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
MR. ELLIOTT | 23/4/25 | Agreed. CE
MR. NORTHEY | 26.5.25 | Agreed. PN.{Mr Northey}
MR. HIVES | 26.5.25 | Agreed. E.Hives.
[Watermark: CHASSIS]
  
  


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