Here's a picture of the homemade "poortex" hahaha I love that name
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It matches the dimensions of the small one on the website, except the bottom diameter is 1/2" shorter. We used stainless steel pop rivets to hold the sheet metal together (yes, the rivets are in backwards, we were just messing around).
Temps in the kettle reach over 400F when grilling with all vents open. We taste the chicken only after it is cooked.
I think we've exhausted all options related to the poortex itself, so the next cook we will likely try grilling wings without it. I am still disappointed in myself that I didn't try the wings before wiping them down last time, I think we wouldn't have tasted the ash.
I really like how even the cooks turn out, there's no need to flip the wings, which is why I keep trying to get this to work! It's better than a convection oven