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B17 Steam Locomotive

Engineering updates

7th April 2026

The Plain Axles

These were delivered today to Diamond Engineering. Forged and machined by Somers Forge of Halesowen, they are machined to very tight tolerances to be interference fitted into four of our driving wheels - those designed to be the Intermediate and Rear Wheelsets.

Cylinder

7th April 2026

The Smoke Box

In the past two weeks, the hinge blocks were fitted to the ring&seal and the hinges were bolted to the door, following which the bolt heads were ground down so they are flush with the hinges. The resulting assembly was then mounted onto the ring, resulting in the photo below. Following the delivery of the chimney, machined by Daniela, the chimney has been temporarily mounted on the Wrapper. Today, the whole unit has been hoisted back onto the Chassis ready for the Open Day on 11th April.

B17 smoke box
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