Take care, Bart J. Aaron Holmes wrote:
I'm going to make several different ones, flat spiral, helical, and multi-layer flat spiral, and see which one performs best. I'm just not sure how to design around those aluminum end caps. The multi-layer option might be a good way to strike a balance between the increased coupling of a helical and the low vertical profile of a flat spiral, and that might prove important if it's discovered that proximity to the bottom end cap (being closer to it, that is) causes problems. So we'll see!
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