I'm not convinced that 40g is in any way superior to 36g. I'm not sure if I'll be ordering more after I get through this 1500'. I have a feeling I'll have gone through a few thousand feet of 36g before I have to make that decision though
I know very little about fluid dynamics but it seems like a liquid with a viscosity like vg/pg might work better with (at least a little) gap between wraps. When I started alien clapton wrapping I was predictably bad at spacing so I'd push all of the wrap down the cores to make it look more presentable, but always wondered if that was impeding the fluids ability to wick into the coil (not the cotton of course). I still don't know. Without understanding surface tension and viscosity and capillary draw etc,.. it's hard to guess.
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