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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).
Modifications and a work hold for a Bentley Ventilated Dynamo, scheme 812.

Identifier  ExFiles\Box 168a\3\  img162
Date  7th March 1935
  
76142
c. HB{C. E. Harcombe}/Wat. BY/RD4/W.7.3.35.

Bentley Ventilated Dynamo.
H.R.Scheme 812.

Will you please note that certain modifications are proposed to the dynamo to the above scheme, instructed in our memo BY/RD1/W.25.1.35.

The armature to be used is the one instructed in BY/RD1/W.5.3.35, i.e. L.O.P. DB.{Donald Bastow - Suspensions}980 : therefore, will you please hold up work on :-

DB.{Donald Bastow - Suspensions} 902. Armature Assembly.
D.73333. Armature Coil.
D.73332. Coil Separator
17 SWG. Copper Wire, 2 lbs. 10 oz.

The bearing brackets and commutator sections remain as instructed.

The frame and field winding section is as instructed, with the addition of :-

DB.{Donald Bastow - Suspensions} 984. Pole. 4 off.
19 SWG. Copper Wire, Special 4 lbs.
D.C.C.

This section is now covered by L.O.P. DB.{Donald Bastow - Suspensions}985.

Blue prints attached hereto of DB.{Donald Bastow - Suspensions}984 and L.O.P. DB.{Donald Bastow - Suspensions}985.

BY/RD.
  
  


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