athens scuba
Registered
My unit is factory built (Global MFG.)There's a spot near the neck on that tank that allows you to easily count turns. 106rpm. Almost twice what I'd want. That thing sure is tiny, though. You could store it pretty much anywhere when not in use. That's a big bonus for home gamers such as myself.
I like the idea of a tumbler build project, seems fun! Someone should start a collaboration thread in the DIY forum. We could put together a parts list for others to buy and build themselves.