7mm Great Central
Attempting to model the former Great Central Railway in 7mm scale.
Tuesday, 18 March 2008
Joy/Stephenson Valve Gear
This
link
should help illustrate the difference. However I think I need to see a model, or the real thing, before it really 'clicks'.
Valve gear
simulations
are also available online. I haven't tried these as I am sure they'd make my brain hurt!
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