Nice studies. There's some clever stuff happening. Out of everything you've made, where are you leaning?
I'd also encourage you to do a quick study. Challenge yourself to come up with an icon that doesn't rely on SBAM. I think you're digging into some great territory but I don't want you to limit yourself totally to the type. See if you can discover something that surprises you and pushes your concept further.
Thanks Frank! That was really helpfulI was actually leaning towards the second one because of its possibilities for motion, but I'm still open. I'm sketching a water wheel right now, and will see if it turns into something more interesting