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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 document for the Enots Petrol Filter.

Identifier  ExFiles\Box 171\1\  img165
Date  1st November 1928
  
RR 755 REVISED (10H) (D.C. 777-29-2-28) M`C` & C. LTD
COMPLETED 8.12.28
STANDARDISATION OF CHASSIS PARTS.
Date 1.11.28
Description of Parts: ENOTS PETROL FILTER.
X No. 4037
Drawing No.
Part List
Origin: To obtain a better filter than the present Zenith.
Experimental Test Report: This filter has 25% greater area than the Zenith, has a slightly finer plate gap, and is lighter. It has been developed to our specification.
Road Test Report: Run 8000 miles on 10-EX and 12-EX. It has a very light metal tumbler which overcomes the difficulty of glasses breaking.
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: £0.10.6d.
Weight of New Part.
Cost of New Part: £0.10.0
Difference per Car.
Difference per Car: £0.0.6 saving. Wor.{Arthur Wormald - General Works Manager}
Cost of Parts in Works which will be scrapped if commenced on:-
Series...£...
Series...£...
Series...£...
Signature from Cost Dept. that above is correct. G/Ro.{C. C. Rose - Export Manager} 6.12.28
INITIAL | DATE | REMARKS
BJ. | 7.12.28 | Agreed. BJ.
R.{Sir Henry Royce} | 2/11/28 | Agreed SMR
WOR.{Arthur Wormald - General Works Manager} | 5.11.28 | Agreed. Wor.{Arthur Wormald - General Works Manager}
RG.{Mr Rowledge} | 5.11.28 | Agreed. RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 3.11.28 | Agreed. DA.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 2.11.28 | Agreed. BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 2.11.28 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 3/11/28 | Agreed. E.{Mr Elliott - Chief Engineer} We take it that the "very light metal tumbler" will not crush with repeated screwing up of the stirrup clamp.
PN.{Mr Northey} | 29.11.28 | Agreed. PN.{Mr Northey}
CWB. | |
HS.{Lord Ernest Hives - Chair} | 1.11.28 | Agreed. Hs.{Lord Ernest Hives - Chair}
  
  


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