Rheilffordd Talyllyn Railway
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No. 3 "Sir Haydn"

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Built in 1878 by Hughes' Loco & Tramway Eng. Works Ltd of Loughborough this 0-4-2ST (originally 0-4-0ST) worked on the nearby Corris Railway until the closure of that line in 1948. In 1951 it was purchased by the Talyllyn Railway (along with the other surviving Corris loco which became "Edward Thomas") and was named after the line's late owner, Sir Henry Haydn Jones. The precarious state of the track led to its being little used for the first few years, and firebox problems caused its withdrawal in 1957. It re-entered service in 1968. "Sir Haydn" is current running in Corris Railway red livery.

Technical Details

Maker Hughes' Loco & Tramway Eng. Works Ltd.
Year 1878
Works number 323
Type 0-4-2ST
Driving wheel diameter 2' 5 1/2"
Trailing wheel diameter 11"
Coupled wheelbase 4' 0"
Total wheelbase 8' 3 1/2"
Cylinder size (bore/stroke) 7 1/4 x 12"
Heating surface 153 sq. ft.
Working pressure 160 psi
Tractive effort @ 85% BP 2900 lbs
Weight 9 1/4 tons
Length over buffers 16' 6 1/2"

More photographs of "Sir Haydn" are available in the photo gallery.