Rolls-Royce Archives
         « Prev  Box Series  Next »        

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 an A.T. Speedometer with larger figures on the mileage disc and a shrouded magnet.

Identifier  ExFiles\Box 171\2\  img218
Date  16th April 1935
  
RR 785 (SH) (57394. 30-1-34) RM{William Robotham - Chief Engineer} 3/787/1
COMPLETED 8.5.35.
40/50 STANDARDISATION OF PARTS.
Date 16.4.35.
Drawing No. X No.6051.
Part List
Description of Parts.
A.T. Speedometer with Larger Figures on Mileage Disc and Shrouded Magnet.
Origin.
To improve legibility of mileage recorders, prevent magnetic interference, improve features and reduce weight (text 'improve features and reduce weight' is crossed out).
Report of Experimental Test.
Tested on Bench and on 5-B-IV, and is a distinct improvement over existing instrument.
Weight of Old Part.
Weight of New Part.
Difference per Car.
Cost of Old Part. £ See over.
Cost of New Part. £ Also includes concave dials etc. Sheet No. X.6033.
Difference per Car. £ 1. 4. 11. Increase.
Cost of Parts in Works which will be scrapped if commenced on:-
Series....£.......
Series....£.......
Series....£.......
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 10.4.35.
INITIAL DATE REMARKS
SG.{Arthur F. Sidgreaves - MD} 2.5.35. Agreed Sg.{Arthur F. Sidgreaves - MD}
WOR.{Arthur Wormald - General Works Manager} 17.4.35. Agreed Wor.{Arthur Wormald - General Works Manager}
C. 18.4.35. Agreed C.
RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} 30.4.35. Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} 18.4.35. Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} 17.4.35. Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} 17.4.35. Agreed E.{Mr Elliott - Chief Engineer}
BN.{W.O. Bentley / Mr Barrington} 30.4.35. Agreed Bn.{W.O. Bentley / Mr Barrington}
SFT.{Mr Swift} 17.4.35. Agreed Sft.{Mr Swift}
MX.{John H Maddocks - Chief Proving Officer} 24.4.35. Agreed Mx.{John H Maddocks - Chief Proving Officer}
HS.{Lord Ernest Hives - Chair} 16.4.35. Agreed Hs.{Lord Ernest Hives - Chair}
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙