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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).
Specification of electrical equipment for Spectre 2.S.1.

Identifier  ExFiles\Box 91\3\  scan0070
Date  8th August 1935
  
To RHC.{R. H. Coverley - Production Engineer}
c. to Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
+300a
(2)
Hs{Lord Ernest Hives - Chair}/Wst.4/GB.8.8.35.

SPECIFICATION OF ELECTRICAL
EQUIPMENT FOR SPECTRECodename for Phantom III 2.S.1.

(1) Dynamo - Large shunt ventilated machine cradle mounting -
D.75267; D.75270; D.72244;
D.75275; D.75273.
(2) Combined cutout and regulator unit - LOP.D.54562.
(3) Distribution Board with cartridge type fuses - LOP.D.74832.
(4) Switchbox. Latest master-switch type LOP.D.74970.
(5) Lamp footswitch - DB.{Donald Bastow - Suspensions}695.
(6) Starter motor - Present type D.73544; D.74206; D.74202; D.73550.
(7) Starter Relay Switch - Present type D.100208.
(8) Ignition Coils - Primary wound with cotton covered enamelled wire - D.75260.
Coils raised on crankcase.
(9) Distributor-Latest type - LOP.D.75167.
(10) H.T.Cables - Helsby "Thiokol" cable, covered with black varnished cotton braiding, the lengths modified to LeC.4625. Small size Ross-Courtney terminals at plug ends.
(11) Sparking Plugs - Lodge RL.14.
(12) Instrument Board - D.75220 (central speedometer).
(13) Horns - Lucas W.T. type, with loud and soft tone switch on instrument board, to LOP.F.87743.
(14) Radio Aerial - to E.L.149, mounted under running board.

--------------------

Hs{Lord Ernest Hives - Chair}/Wst.
  
  


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