A Coil To Try

To my unscientific mind a round coil should be more efficient than an oval coil. Equal distances from wick and juice. Less impeded air flow. Structurally stronger. ???

In my experience you are correct. Tried the oval coils because I wanted to wrap around 2 pieces of silica wick in a Evod coil so I would not need a flavour wick. Turned into a really hot vape because the in Oval form the coil does not keep it's shape well and airflow is negatively impacted. Add the fact that the top of the coil is much higher as well. So too hot to trot and way too much effort for no appreciable gain. Went back to round coils.
 
I built a "traditional" 28g coil, 8/9 wraps on 2,5mm ID, then gently tried squashing it with pliers. After realigning the coils :rolleyes: I loaded 2 pieces of cotton wick and fired it up. It looks very messy as it has gaps everywhere. @Harryssss try rebuilding your coil with the oval standing up not lying flat, that way you have much more of the coil exposed to the airflow, this thing blows any round micro coil that I've ever built on my Kayfun clear out of the water! Epic stuff!
 
I built a "traditional" 28g coil, 8/9 wraps on 2,5mm ID, then gently tried squashing it with pliers. After realigning the coils :rolleyes: I loaded 2 pieces of cotton wick and fired it up. It looks very messy as it has gaps everywhere. @Harryssss try rebuilding your coil with the oval standing up not lying flat, that way you have much more of the coil exposed to the airflow, this thing blows any round micro coil that I've ever built on my Kayfun clear out of the water! Epic stuff!

Project accepted.... Will also try that tonight!
 
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