Hello everyone, today a little tutorial on the manufacture of coils.
On the menu, we will have:
- The micro coil
The most common mount and one of the simplest to use
- The nano coil
Derived from the micro coil, particularly useful when rebuilding “protank” type resistance and other vertical assemblies (dragon coil).
- The parallel coil
Coil allowing a fast descent in value ohm, particularly indicated in atomizer sub-ohm or in dripper.
- The standard coil
According to its worshipers, it would have a better rendering, it is one of the very first types of coil used in reconstructable atomizers.
For the equipment, we will need:
- Kanthal A1 (here in 0.42mm)
resistive wire for the manufacture of resistance (nothing to do with cheese: p)
- Rods of different diameters
for the design of coils with diameter diceiré (here no machinery such as jig coil and other kuro coiler, everything will be done by hand)
- Mini blowtorch
Mini blowtorch, storm lighter and other crème brûlée torch. Avoid standard gas lighters, combustion at too low a power may cause carbon deposits to appear on your resistive wire.
- An ohmmeter
To check your resistance values.
Come on, put on your swimsuits, let's jump into the bath… To start, we'll do the simplest of all: the micro coil.
1. The micro coil is a resistance with tight turns which has the particularity of heating from the inside to the outside.
Highly appreciated for its ease of manufacture and its natural tendency to avoid hot spots, it has an excellent rendering.
Then comes the nano coil.
2. Derived from the micro coil, it is not the most used assembly.
Particularly indicated in vertical assemblies called “dragon coil”, in small drippers or even to remake the coils of clearomizers where the space is cramped and prevents a larger coil from being mounted.
Followed closely by the parallel coil.
3. Always in the same spirit as the micro coil but this time with two (or more) strands of resistive wire.
This assembly is particularly suitable for dripper because of its low resistance (to divide by the number of strands constituting the coil) and its larger heating area.
Its advantage is very good reactivity and excellent flavor rendering. Some RBA type atomizers work very well in parallel, generally atomizers with large e-liquid arrivals.
And finally, the oldest of all, the “standard” coil, coil with unjoined turns.
4. Widely used in the early days of rebuildable, this coil is still used today. Although very effective, it has a major flaw: hot spots.
Indeed, you will have to be careful that when firing "empty", that is to say without fiber, all the turns constituting your coil must light up at the same time and with an identical intensity, proof of a good operation without hot spot of your resistance.
Finally, always check your resistances using an ohmmeter. Indeed, a resistance that is too low could be dangerous if misused (depending on the type of equipment and / or your batteries).
If you do not have an ohmmeter a solution exists, the online coil calculator available here:
It will be easy for you to check your ohm value by filling in the fields of the table
And the little extra, it will give you the heating coefficient 😉
That's it, this tutorial is now finished, all you have to do is try the various coils mentioned above and choose your favorite!
Toff!
