Im new to all this. But the bug has me. And im starting to think about trying to make my own molds.
............Got a lathe and/or a mill, eh?
Whats the difference between a brass mold and steel?
.............Brass and cast iron where the traditional materials. Brass machines very well and conducts heat well. Cast iron is durable, machines well, heats well and holds it's heat longer. Steels aren't commonly used due to possible warping issues. Normally cast iron turns to powder when drilled, however I've noticed some Lyman moulds have produced somewhat curly chips which leads me to believe their cast iron sometimes contains a lot of scrap (steel).
Aluminum is also common now as it machines well, it's easy on tooling, it's light to handle, heats well and dissipates it's heat quickly. It's also less expensive then good cast iron or brass.
Is there any problem with making them with a cherry cutter?
............Cherry cutting is the old time traditional way it's been done.
Ive also kicked around the idea of making them to sell, do you guys think there is any kind of market for that?
...............Yup. Take a look at the Group Buy forum here.
Also, does anyone know where i could go to get a cherry made at a descent price?
..............I don't know about a 'decent' price, but it would seem that chamber reamer makers could do that. In addition you could check on the net for tool grinders and specialty tool manufacturers like:
http://www.melcut.com/ .We also have a couple guys here who make their own cherrys.
Thanks!