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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).
Design discussions for a 0-4-0 Sentinel Diesel Locomotive following a visit to Shrewsbury.

Identifier  ExFiles\Box 26\1\  Scan148
Date  21th July 1958
  
To: JPB from JPB/VK

c: JRR
Wn
Wn/Hbn

LS (for information)

JPB/VK 21.7.58

Visit to Shrewsbury, 16 July 1958

Re: 0-4-0 Sentinel Diesel Loco.

People Seen: Wn and Wn/Hbn

Discussed cab position and agreed on central location as giving better visibility towards the front and allowing cheaper and easier engine controls to be fitted.

Present radiator (OE 5774) restricts visibility and determines shape of engine housing. Suggested radiator of similar or larger matrix area of different shape (lower and wider) to improve visibility.

Air intake on top needs no filter.

Driving positions to be dual facing forward and swivelling seats and controls placed so that it is possible to drive loco in opposite direction.

Determined practical maximum depth of skirt at side of chassis.

Mentioned oval buffers (as now standard on B.R. locos) which might be considered. Curved buffer bars giving less sideways overhang on curves and better looks were considered an unnecessary expense.

Showed sketches I - V and unfinished elevation drawings showing advantages of lower radiator.

It was suggested by Wn that the first four locos were too tied up for any alterations to be made, but that our suggestions would be very interesting for future production.

Agreed to finish original elevation drawings and draw up project shown on sketch III, and send prints of sketches I - V, together with said elevation drawings, to Rm{William Robotham - Chief Engineer} and Wn/Hbn.

JPB/VK V.R
  
  


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