Tyseley complete main frame assembly on steam locomotive 3840 County of Montgomery

The Churchward County Trust (CCT) has announced the completion of a key milestone, the main frame assembly work at Tyseley Locomotive Works, on their new build steam locomotive Great Western Railway (GWR) 3800 ‘Churchward County’ Class No.3840 “County of Montgomery”.

Placing the order back in July 2020, Tyseley have carried out the following work:

Erecting main frame plates – by fitting the supporting stretcher
Attaching the horn blocks
Attaching the spring hangers

The next section of the frame to be added is the rear dragbox.

With welding completed on this component, the final machining is now underway to ensure a perfect fit.

By the end of April 2021 the dragbox should be fitted to the main frame.

Following this, work will then focus on building the cab, splashers and running plate for 3840.

Trial Fit of Dragbox on 3840 // Credit David Bradshaw

Update from the Churchward County Trust on steam locomotive 3840

8th September 2021

First set of coupled wheels cast for new build steam locomotive 3840 County of Montgomery

27th May 2021

This will allow time for the cylinders to be cast and de-stressed before further work to the front end, in particular having the front end extension frames machined.

3840's New Dragbox // Credit Tyseley Locomotive Works — 3840’s New Dragbox // Credit Tyseley Locomotive Works

CCT’s Engineering Liaison David Bradshaw said: “While completing the extension frames is desirable, fitting them would mean that No. 3840 would take up a further 12ft of valuable workshop space at Tyseley. With no further progress expected on the front end for at least 12 months while the cylinder castings de-stress, concentrating on the rear portion where we can make greater progress makes better economic sense.

“Once we have the rear end assembled, the plan is to get the complete front end assembled as one unit, including the extension frames, cylinders and bogie, which can then be bolted to the main frames to complete the entire bottom end.”

For more information or to support the Churchward County Trust, please visit their website here.

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