Rolls-Royce Archives
         « Prev  Box Series  Next »        

Standardisation report for flip-flap type bonnet ventilators.


Identifier  ExFiles\Box 171\1\  img266
Date  8th July 1931
  
RR 755 (10M) (5459. 24-10-30) 6/3185.
COMPLETED 21.11.31.
STANDARDISATION OF CHASSIS PARTS.
Date 8.7.31
No. 1085/726
Drawing No. N.Sch. 3232
Part List
Description of Parts. FLIP FLAP TYPE BONNET VENTILATORS.
Origin. To improve appearance and facilitate operation.
Experimental Test Report.
Fitted to 20-EX Appearance and ease of operation approved by Sales.
Road Test Report.
Tests at present in progress on 25-EX in France indicate that this type of ventilator is not less effective than present sliding shutter type.
Weight of Old Part.
Cost of Old Part. £ 1. 4. 11d.
Weight of New Part.
Cost of New Part. £ 2. 19. 5d.
Difference per Car.
Difference per Car. £ 1. 14. 6d. Increase.
Signature from Cost Dept. that above is correct. G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} 10.11.31. Wor. {Arthur Wormald - General Works Manager}
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…£…
INITIAL DATE REMARKS
SG. {Arthur F. Sidgreaves - MD} 12.11.31. Agreed Sg. {Arthur F. Sidgreaves - MD}
R. {Sir Henry Royce} 10/7/31. Agreed TMR, this seems a good move; owing to there
WOR. {Arthur Wormald - General Works Manager} 9.7.31. being so little difference which way anything fits it & it looks as
C. 9.7.31. I thought the pivot should be central, because
RG. {Mr Rowledge} 9.7.31. Agreed Rg. {Mr Rowledge} it would make them Easier to open, a point
DA. {Bernard Day - Chassis Design} 11.7.31. Agreed Da. {Bernard Day - Chassis Design} I think needs improvement, & I much prefer them
BY. {R.W. Bailey - Chief Engineer} 9.7.31. Agreed By. {R.W. Bailey - Chief Engineer} this type of ventilators [struck out text] & lowers because
EP. {G. Eric Platford - Chief Quality Engineer} 7.7.31. Agreed EP. {G. Eric Platford - Chief Quality Engineer} they need not be open unless high speed & weather conditions demand
E. {Mr Elliott - Chief Engineer} 10.7.31. Agreed AE. Our old shutters are quite out of date –
PN. {Mr Northey} 10.7.31. Agreed PN. {Mr Northey} Our original scheme adopted almost 25 years ago.
HS. {Lord Ernest Hives - Chair} Agreed HS. {Lord Ernest Hives - Chair}
23
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙