As for sub ohm (as referred to as resistance under 1 ohm). There are limitations to the wire in which we use. We work within those limitations to produce a coil that suites our needs. A particular resistance can be obtained in many ways, but the resulting dimensions and other attributes related to that metal may not fall within our needs.
A 1 ohm coil can be made from 28 awg Kanthal, or it could be made from 24 awg Kanthal. Resistance and metal are the same, but these are 2 vastly different coils that require vastly different power outputs in order to operate. For those who feel a 1 ohm 24 awg Kanthal coil may be unrealistic, I am vaping one right now! High resistance with high(ish) wattage is more common than some may think. John, one the engineers behind Evolv’s DNA boards, stated one of the design goals with the DNA 75C was to increase its voltage output due to public demand of wanting to vape high resistance at high wattage.
That 1 ohm 28 awg Kanthal could be substituted with Ni80, SS316L, Ti1 or Ni200, which if the same dimensions were kept, the other metals would result in a lower “sub ohm” resistance. And if the same dimensions were kept, they would all be suitable for similar MTL vape, sans a slight adjustment in power to accommodate each metals unique properties such as Specific Heat Capacity and mass.
And if we took that 1 ohm coil made from 24 awg Kanthal and started to remove wraps the result would be a lower resistance coil that is also lower in mass which would mean less power is required. A 0.4 ohm coil of this same wire could result in a very suitable MTL coil. And again if other metals were used but the same dimensions where kept, we would achieve a lower resistance coil that would only require a slight adjustment in power due to the metals properties.
These are just some examples that display resistance is not a defying factor especially when using a variable device that allows a user to adjust the output. One could achieve a hot high resistance vape just as they could achieve a cooler low resistance vape and vice versa.
A fixed voltage source such as a mech, resistance plays more of an important role for it will dictate the output. But the other attributes of Specific heat and mass still have an effect. The 1 ohm coil made from both 28 awg and 24 awg will result in the same output from a fixed voltage source. But their vastly difference in mass would result in a vastly different vape experience (the 24 awg would probably result in not much of anything)
at 0.7ohm.
you can get enough head to get a vape going then
