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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).
Instructions for modifying an electrically operated petrol reserve tap for Bentley V & Bentley 50 models.

Identifier  ExFiles\Box 163\1\  img049
Date  23th February 1939
  
6007

To HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. BY.{R.W. Bailey - Chief Engineer}
c. RHC{R. H. Coverley - Production Engineer}/Wld.
c. Fm/RC.{R. Childs}
c. BY/HED.
c. RHC{R. H. Coverley - Production Engineer}/SS.{S. Smith}
c. Roy{Sir Henry Royce}/Dec. for HPS.{Horace Percy Smith - Experimental Factory Mgr}

BY/RD.4/B.23.2.39.

BENTLEY V.{VIENNA} & BENTLEY 50.

Petrol Reserve Tap - Electrically Operated - D.CD.893 Modified.
Section 8310.

To enable the Solenoid to operate efficiently at a lower voltage ranging from 7.5 volts cold to 9.5 volts hot, an improved iron circuit has been added, together with a longer plunger and shorter pole piece.

Will you therefore, please put in hand 6 sets of new parts as follows :-

DW.918 - End Plate - Front. 1 off.
DW.919 - End Plate - Rear. 1 off.
DW.920 - Outer Casing. 1 off.
DW.921 - Valve Facing. 1 off.
DW.922 - Pole Piece, 1 off.
DW.923 - Plunger. 1 off.
DW.924 - Guide - Plunger. 1 off.
DW.925 - Seating - Valve Spring. 1 off.
DW.926 - Spindle - Valve. 1 off.
DW.927 - Assembly of Valve Spindle.
DW.928 - Assembly of Solenoid and Tap Body.
DW.929 - Petrol Reserve Tap LOP.

To avoid scrap, the following 6 sets of parts already instructed (3 sets to BY/RD.3/B.31.10.38 and 3 sets to BY/RD.5/B.16.1.39) should be used again :-

-Contd-
  
  


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