In addition to this fine forum you may find these two of interest!
The Village Press has another little known site for their Live Steam magazine, covers stationary and larger scale railroads. It is currently off line for an upgrade. It doesn't get much traffic, but there are knowledgeable people on it.
Livesteam.netAnother full size steam forum that has a model engine and toy sub forums along with machine shop and welding is the stak.
antique tractors, steam, small engines, farm related, heat engines, model engine etc.So with this site you should be able to get your steam/machine work fix
