OK, can one or more of you give me the Sub-Ohming for Dummies short bus lesson on why a coil with less resistance is better with higher watts? The mechanics of it make no sense to me. I vape between 1.25 and 1.75 on a mech mod. In the past, the closer I get to zero or below the hotter it is. So why would a lower ohm coil handle more watts better?
Coil design basics are exactly the same with both mechanical and regulated mods, but because power in a mech mod is set by the resistance you're quite limited in what you can do.
If you check out the two links to Steam Engine in my last post (2 above this one) you'll get an idea of how I use it to help me design coils. I manipulated the resistance and wire gauge to make the heat flux and heat capacity fall into an acceptable range for the power I designed for. I also watch the number of wraps. The I.D. of the coil can be changed also to fine tune this a bit if you want to.
My process is:
1. Chose the power.
2. Chose the number of coils.
3. Chose the number of wires/coil, parallel, twisted, etc.
4. Adjust the resistance and wire gauge so the HF and HC are where I want them.
That coil will work just fine for the power it was designed for irrelevant of the resistance. Higher ohms does need a higher voltage output from a regulated mod to get the same power compared with lower ohms, but that is a mod limitation and has nothing to do with coil requirements.
With a mech mod your resistance sets the power as per Ohm's law and you adjust wire gauge to make the HF and HC you want. In this case you need low resistance to get higher power and then you need to use thicker wire to get the HF under control. If you play around in SE a bit you'll see exactly what I mean.
My process for that is:
1. Chose the resistance to make the power I want.
2. Chose the number of coils.
3. Chose the number of wires/coil, parallel, twisted, etc.
4. Adjust wire gauge so the HF and HC are where I want them.
High power has been associated with low ohms and thick wire in mech mods for a long time. I think that's why people still believe low ohms are required for higher power even in regulated mods.
Hope that helps a bit.