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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 modification to the machining of the rear axle thrust housing to produce quieter axles.

Identifier  ExFiles\Box 171\3\  img116
Date  11th August 1922
  
STANDARDISATION of CHASSIS PARTS
Date 11.8.22.
X No.4150
Description of Parts. R
Modification to machining of Rear Axle Thrust housing.
Origin.
To assist in producing quiet rear axles.
Experimental Test Report.
This modification only alters the machining slightly. Our axle quietening Dept. have reported that this modification is an assistance to them.
Road Test Report.
Run 500 miles in England. has been adopted as standard on 40/50 H.P. cars made at Springfield, for four or five months.
Drawing No.
Part List
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.
Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives.
Weight of Old Part.
Cost of Old Part. £
Weight of New Part.
Cost of New Part. £
Difference per Car.
Difference per Car. £0. 1. 0 Increased cost of machining.
Signature of Mr. De LOOSE that above is correct. My/JW 12.8.22.
SIGNATURES
DATE
REMARKS
Mr. E.{Mr Elliott - Chief Engineer} JOHNSON. 15.8.22 Try 20. CJ.
Mr. JOHNSON. 21.8.22 " " BJ.
Mr. ROYCE 18/8/22 Agreed F H R
Mr. WORMALD 14.8.22. I should like to see 20 axles tried - it might help us considerably. Wor.{Arthur Wormald - General Works Manager}
Mr. ROWLEDGE 14.8.22. Agreed. Rg.{Mr Rowledge}
Mr. DAY 14.8.22. Agreed. Da.{Bernard Day - Chassis Design}
Mr. BAILEY 12.8.22. Agreed. BY.{R.W. Bailey - Chief Engineer}
Mr. PLATFORD 16.8.22. Agreed - can confirm is of great advantage at Springfield. EP.{G. Eric Platford - Chief Quality Engineer}
Mr. NORTHEY 14.8.22. Agreed. PN.{Mr Northey}
Cost of Parts in Works which will be scrapped if commenced on :-
Series....£.......
Series....£.......
Series....£.......
Storekeeper advised re above:
Storekeeper's Signature
  
  


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