The Home Machinist!

Anyone put walschaert on a RGS 20 kit ?

That seems like a nightmare building a cylinder block that way. Save yourself a year of design/build work and years of frustration with getting it to seal and buy a cylinder block from Little Engines. Would be worth every penny...

Any ball valve should work. Just run a control rod with handle up through the top of the tender.

That green 2-8-0 is stunning. It looks to have an extended smokebox ?

Are the pumps plumbed with a bypass? I'd think crosshead pumps with a bypass system, a handpump then maybe one of Anthony's EE small injectors would be all you need on it.

The G5 is a nice looking locomotive! Would be a neat one to see modeled. If it were me... I'd use a 9 3/4 OD pipe, fake the tapered section with welded rings and keep it as air space under the jacket. Use a heavy jacket that you can tap into for the various boiler details. For the rest of the locomo...

A 8 inch boiler is very small for a pacific. This is more characteristic of 2-6-0s, 4-4-0s, 4-6-0s and small 2-8-0s Even a stock LE pacific uses a 9 inch, 9 3/4 OD boiler and it looks somewhat small. The LE pacific is based on a SP P4 which is very similar in size to a G5. I'd use a 9 3/4 od pipe an...