The Lion Locomotive
Harrye Frowen's live steam scale model
for 7¼" Gauge

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Strengthening July 2012

by Dave McCarthy
please click on images for fullsize picture
After some problems with pins shearing, Harrye decided a 'boiler off' upgrade was required.

The problems with the pins is thought to be due to following too closely to scale dimensions that just don't give enough strength to the motion under load.