SimonD’s workbench

SimonT

Western Thunderer
Simon,
As Graham said, there are various different vacuum pumps. These should not be confused the the Vacuum Ejector mounted on the driver's side of the firebox. Main differences are the size and mountings. All have the pepper pot (I'll stay with the popular name) although early engines such as some of the 4-4-0s had the pepper pot above the footplate. The large tank engines carried the pepper pot on the front of the drivers side tank.

Vacuum pumps were either hung off the frames or hung on the heavy framing that carried the hanging plate. viz.
Frames 13.JPG

My photo of the 42 in Steam. The vacuum pumps show up infrequently in Swindon GAs.
Screenshot 2024-11-07 082517.png
This is the vacuum pump in the 94. it is mounted onto the inside of the left frame. I've yet to add the pepper pot. I hope to do set of prints for the motion at some time in the future when my life calms down a bit.
A real 94 photo
Motion 20.jpg
Hope this helps.
Simon
 
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