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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).
Blueprints for new flat end plates and brake drums for Bentley 11.A rear hubs, replacing older parts.

Identifier  ExFiles\Box 120\1\  scan0257
Date  3rd February 1938
  
HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. Rm.{William Robotham - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/AHM.
1028
BY/Ald.{F. Allwood - Experimental Design}1/G.3.2.38.

BENTLEY 11.A.
BRAKE DRUMS WITH CAST-IN END PLATES.

SECTION 6170. REAR HUBS.

Please receive herewith two blueprints of each of the following (one extra where marked *) :-

* Ex.S.461 Brake Drum 2 off.
Ex.S.462 End Plate 2 off.

The above pieces are to replace the following which were issued under memo BY/Ald.{F. Allwood - Experimental Design}8/G.14.1.38 :-

Ex.S.363 Brake Drum 2 off.
Ex.S.364 End Plate 2 off.

The new End Plates Ex.S.462 are flat, and have been produced in order to save the cost of special dies, which would have been necessary with the Ex.S.364 End Plates.

Would you kindly modify your instructions accordingly.

BY/Ald.{F. Allwood - Experimental Design}
  
  


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