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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).
Modification to the Bentley 111 exhaust system to suit a revised chassis frame.

Identifier  ExFiles\Box 99\1\  scan0153
Date  11th November 1937
  
RY/NS{Norman Scott} (struck through)
c. Rm.{William Robotham - Chief Engineer}
c. RHC{R. H. Coverley - Production Engineer}/CAN. (struck through)

200B
WYM{G. Harold Whyman - Experimental Manager}

DA.{Bernard Day - Chassis Design}9/G.11.11.37.

BENTLEY 111 - EXHAUST SYSTEM TO SUIT REVISED CHASSIS FRAME.

W23

Please receive herewith E.CD.202 Intermediate Pipe - Bentley 111. Exhaust System. (Dropped Frame).

This design is a modification to the previous intermediate pipe E.CD.117 and is required to suit the revised chassis frame to FD.{Frank Dodd - Bodies}32 and F.CD.139.

We have found it difficult to make a pipe of easy bends to pass through the chassis cross and gusset members, and also clear the control damper governor unit on gearbox, and this explains the rather awkward shape in the side elevation.

We should like RHC{R. H. Coverley - Production Engineer}/CAN. to comment on the manufacture and cost of this pipe. It might be made in two i.e. pressings welded together.

The alternative types of suspension for exhaust pipes, and also the alternative clamped sliding joints referred to in our memo DA.{Bernard Day - Chassis Design}2/G.6.11.37. also apply to this design.

Will you please detail and instruct the necessary parts experimentally.

This completes our designs for the Bentley 111 exhaust system.

DA.{Bernard Day - Chassis Design}
  
  


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