Thanks all. Didn't seem intuitively like an issue, but I wondered, and the points you raise make more than a little sense. I didn't think about the effect on the upper circuit board, for example. I'd always seen base down tube configurations, but the ARC, as some noted, have the tubes positioned horizontally, so I wondered if orientation was a problem. That's why I figured I'd consult the experts.
Thanks again. Guess my floor will just be messy...
Thanks again. Guess my floor will just be messy...