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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 for rear brakes with flexible toe.

Identifier  ExFiles\Box 171\1\  img260
Date  25th September 1931
  
RR 755 (10M) (B459. 24-10-30) 6/3185.
ORIGINAL
COMPLETED 20.11.31.
STANDARDISATION of CHASSIS PARTS.
Date 25.9.31.
Description of Parts. Rear Brakes with Flexible Toe.
X No. 7360.
Drawing No. G.78278.
No. G.78624.
Part List
Origin. To reduce tendency of groans.
Experimental Test Report. Fitted to 25-EX. for tests in France.
Road Test Report. Fitted to 25-EX. and ran 20,000 miles in France. Slight groans developed at 10,000 miles, cured by replacing loading springs under flexible toe. No further groans during mileage.
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.........£.......
Weight of Old Part.
Weight of New Part.
Difference per Car.
Cost of Old Part. £ 3. 5. 10d.
Cost of New Part. £ 3. 13. 6d.
Difference per Car. £ - . 7. 8d. Increase.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}5.11.31. G.7.11.31. Wor.{Arthur Wormald - General Works Manager}
INITIAL
DATE
REMARKS
SG.{Arthur F. Sidgreaves - MD}
9.11.31.
Agreed Sg.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce}
3/10/31
Agreed. pivoted toe JHR
WOR.{Arthur Wormald - General Works Manager}
28/9.31
Agreed Wor.{Arthur Wormald - General Works Manager}
C.
30.9.31.
Agreed C.
RG.{Mr Rowledge}
7.10.31.
Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design}
29.9.31.
Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer}
29.9.31.
Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer}
5.10.31.
Agreed - much better but still slight on rear on "pull up".
E.{Mr Elliott - Chief Engineer}
28.9.31.
Agreed AE.
PN.{Mr Northey}
30.9.31.
Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair}
Agreed Hs.{Lord Ernest Hives - Chair}
  
  


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