Thanks - I've a feeling the eRoll wick might be silica - it's kind of strandy and perhaps a bit plasticky.
Hmmm I suppose this might be a personal thing - occasionally I get a bit of a burnt taste (with both eroll and ego one), and I actually don't mind it as it's a bit reminiscent of a cigarette.
I've had a look while dry burning it, and my current (stock) coil appears to have a hotspot - the first coil glows hot immediately, and the other five only slowly heat up over time. It tastes fine though, and if I change the coil for another I don't notice much difference.
I'm finding that I'm noticing the hot dairy taste a lot less with time. I'm beginning to suspect that if ever something doesn't taste quite right I should just wait a week and my brain might get used to it...
Hey Tao, yes about the taste I forgot to mention that a fresh coil will also add a different taste to flavour in the begging until it settles down, maybe oxidation is taking place or something like that from the wire working with e-liquid. I don't know how it can be explained but I know I get it and for me it lasts during the first 10-15 puffs;for others not at all, others more. Happens with both nichrome and kanthal for me.
About dry burning the stock coil, it doesn't sound right really. Most of any coils will tend to accumulate more heat in the middle and afterwards heat moves towards the extremes. What about the head you coiled yourself, is it the same behavior?
If the wire is not touching the inner walls you should get an even glow. Like in this photo