Monday, 13 June 2011

Sentinel 7109's Steam Brake Cylinder

John Goold of J R Goold Vintage Steam Restorations Ltd in Camerton has taken on refurbishment of the steam brake cylinder, gauge glass valves, superheater, a blast nozzle repair, some fancy pipework and more.

Steam brake cylinder on removal

A bit rough around the edges!
Rust pitting was too deep for the steam brake cylinder to be operable.
New Piston casting (left), Old Piston (right)
New Piston casting (right), Old Piston (left)
A new piston has been cast using the old one as a pattern; the cylinder can now be rebored to a larger diameter knowing that the piston can be made to fit.

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