Has anyone experimented with unbalanced dual coil builds? By unbalanced I mean two coils of differing resistance and/or wire gauge.
What I am thinking of is using a 1.0 ohm microcoil with 26 gauge Kanthal and a 2.0 microcoil with 30 gauge Kanthal.
Doing this of course makes estimating the resistance before building and actually measuring its resistance more complicated, since the resistance is the inverse of the sum of the inverse resistance of each individual coil.
Resistance = 1 / (1/A + 1/B), where A = resistance of first coil and B = resistance of second coil.
So a 1.0 ohm coil and a 2.0 ohm coil connected in parallel will have a resistance of 0.67 ohms.
1 / (1/1 + 1/2)
= 1 / 1.5
= 0.67 ohms
Or you can make things a bit simpler if you use two 1.3 ohm microcoils, one built with 26 gauge and the other with 30 gauge wire. Connected in parallel, the resistance of the two coils will be one-half of the resistance of one of the coils, so 0.65 ohms.
The reason why I am thinking of trying this is the fact that thicker wire takes longer to heat up, while thinner wire heats up quicker. I am hoping that combining the two will give a vape with less ramp-up while still having the high density that thicker wire coils offer.
*Anyone attempting these builds must confirm whether their batteries can safely deliver required ~6.5 amps.*
What I am thinking of is using a 1.0 ohm microcoil with 26 gauge Kanthal and a 2.0 microcoil with 30 gauge Kanthal.
Doing this of course makes estimating the resistance before building and actually measuring its resistance more complicated, since the resistance is the inverse of the sum of the inverse resistance of each individual coil.
Resistance = 1 / (1/A + 1/B), where A = resistance of first coil and B = resistance of second coil.
So a 1.0 ohm coil and a 2.0 ohm coil connected in parallel will have a resistance of 0.67 ohms.
1 / (1/1 + 1/2)
= 1 / 1.5
= 0.67 ohms
Or you can make things a bit simpler if you use two 1.3 ohm microcoils, one built with 26 gauge and the other with 30 gauge wire. Connected in parallel, the resistance of the two coils will be one-half of the resistance of one of the coils, so 0.65 ohms.
The reason why I am thinking of trying this is the fact that thicker wire takes longer to heat up, while thinner wire heats up quicker. I am hoping that combining the two will give a vape with less ramp-up while still having the high density that thicker wire coils offer.
*Anyone attempting these builds must confirm whether their batteries can safely deliver required ~6.5 amps.*