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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).
The replacement of brake drum components for the Bentley 11A, introducing new flat end plates to save costs.

Identifier  ExFiles\Box 120\1\  scan0260
Date  7th February 1938
  
HPS.{Horace Percy Smith - Experimental Factory Mgr}
G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Rm.{William Robotham - Chief Engineer}
c. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}

1028
AFM{Anthony F. Martindale}

BY/Ald.{F. Allwood - Experimental Design}1/G.7.2.38.

BENTLEY 11A. SECTION 7044.

BRAKE DRUM WITH CAST-IN END PLATES.

Please receive herewith two blueprints (1 extra where marked *) of the following :-

*Ex.S.463 Brake Drum 2 off.
Ex.S.464 End Plate 2 off.
Ex.S.465 Hub End Plate 2 off.

The above pieces are to replace the following which were issued under memos BY/Ald.{F. Allwood - Experimental Design}8/G.14.1.38 and BY/Ald.{F. Allwood - Experimental Design}12/G.26.1.38.

Ex.S.361 Brake Drums 2 off.
Ex.S.362 End Plate 2 off.
Ex.S.381 Hub End Plate 2 off.

The new end plates Ex.S.464 are flat and have been produced in order to save the cost of special dies, which would have been necessary with the Ex.S.362 End Plates.

Would you kindly modify your instructions accordingly.

LOP. Ex.S.371 is altered to agree under alteration No. 19/S.CD.

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


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