air flow

So sorry if I'm posting a question that's been asked. I searched the forum first but any question of air flow was returning posts that didn't resolve or pertain to my problem & I eventually gave up. 2 days ago my Alien 220 started giving me a lot of air & almost no vape. I turned up the wattage...

I don't understand the appeal, none, zilch, not at all. IMO it dilutes the flavor and does a very poor job cooling the coils. In order of best airflow Bottom Side Combination of the two I've just been seeing more top airflow designs coming out and all I do is scratch my head.

today I had posted a question regarding poor flavor in my Uwell crown tank. Well I was just putting a new coil in and noticed that when I close off the airflow, there is still some airflow, not much, but I can feel the air pulling through when I hit it without firing. It's not a perfect seal...