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).
Blueprints and required parts for the Wraith Cutout and Regulator Unit.

Identifier  ExFiles\Box 166\2\  img120
Date  26th October 1937
  
To HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. BY.{R.W. Bailey - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}
c. RHC{R. H. Coverley - Production Engineer}/GAN.

6092

BY/RD.1/B.26.10.37

WRAITH.

Cutout and Regulator Unit : D.CD.71 : Sec.8290.

Please receive herewith blueprints of parts detailed from the above scheme :-

DW.456 - Cutout and Regulator Unit LOP. (2 Shts). 1 off.
DW.441 - Base. 1 off.
DW.442 - Assembly - Coils for Cutout. 1 off.
DW.443 - Voltage Regulator. 1 off.
DW.444 - Cradle - Regulator. 1 off.
DW.445 - Clip - Cover. 1 off.
DW.446 - Former - Resistance. 1 off.
DW.447 - Clip - Fuses. 3 off.
DW.448 - 2 amp. fuse. 1 off.
DW.449 - Connector. 1 off.
DW.450 - Earth Connector. 1 off.
DW.451 - Insulating Sleeve. 1 off.
DW.452 - Bracket - Resistance Former. 2 off.
DW.455 - Terminal Stud Insert. 6 off.
DW.459 - Arrangement of Field Resistance. -

(Handwritten initial: Rm{William Robotham - Chief Engineer})

Additional Parts required :-

Resistance Wire 23 SWG. (.024) D.C.C. Wiggin's "Glowray" 14 Ft.
Dowler Eyelets No.2181. (White). 4 off.
Dowler Eyelets No.2182. (White). 1 off.
Dowler Eyelets No.1550. (Yellow). 2 off.
Dowler Eyelets No.2030. (White). 2 off.
Dowler Cable Eyes L.S.5. 5 off.

The remainder of parts on the above LOP., are production pieces, except DW.427 - Insulating Sleeve, which has already been issued to you. Will you please make up a model for inspection, for which DW.446 can be machined from solid moulding material; and we attach a marked up print of DW.441 - Base, showing this piece made in wood.

One print of D.CD.71 attached herewith, also, one set of blueprints to RHC{R. H. Coverley - Production Engineer}/CAN. BY/RD.

This unit is shown on the Wraith Dashboard Sch.D.CD.85.

BY/RD.
  
  


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