Coil definition

[jevans]

Does the term "micro" coil just simply mean close wound as opposed to open wound?

Jim

[Ripshod]

Jan 29, 2015 9:25:15 GMT jevans said:

Does the term "micro" coil just simply mean close wound as opposed to open wound?

Jim

Yes it does, though with a microcoil the coils are actually touching each other. No panic about shorts, there's some kind of oxide builds up by heating the coil that gives a level of electrical insulation. You'll see it in the numerous tutorials, maybe flame the wire with a torch before winding, then torch or dry fire after with compression.

Horses for courses tho jevans. I prefer microcoils in a SquapeR and Rose v2, but open coils in my Fogger

[jevans]

Thank you Ripshod , you have put my mind at rest!
I find your observations on close and open wound coils for different applications interesting.

Jim

[VapingBad]

There is no official definition, but the guy that first posted them SuperXDrifter on ECF and many others say they just have to be very close and not touching. There are macro and nano versions the nano-coils < 1.4 mm with the wick outside of the coil and macro coils are just very big micro coils, but I still call an eight of an inch 3.2 mm close/touching coil a micro-coil.

There seems to be a move away from touching ATM to finely spaced, you may of heard of strumming your coil to sort out problems which is just running something along it to introduce a little space and prevent shorting especially at high currents.

SuperXDrifter is on youtube as well and done a lot of good coiling & swonking videos and helped to popularise swonking the first time round, he is a member on UKV to.

[jevans]

VapingBad

I know what resistance to expect from coil diameter, wire gauge and number of turns.
So a quick Ohms check will reveal any sins!

Jim

[VapingBad]

Jan 29, 2015 10:56:12 GMT jevans said:

I know what resistance to expect from coil diameter, wire gauge and number of turns.
So a quick Ohms check will reveal any sins!

Jim

High currents can still short them between the loops, this is why we pulse them until they glow from the inside out by oxidising the surface, but they sometimes still short after installation and cook your liquid.  I would make them touching then stretch a little, if you make a too big gap put it back on the knitting needle and squeeze and it should be nicely spaced.  A lot of people are moving to spaced because they prefer the flavour the theory being that the small gap allows more vapour to escape.  Never try and get them ultra tight IMO.

[jevans]

Jan 29, 2015 11:04:25 GMT VapingBad said:

A lot of people are moving to spaced because they prefer the flavour the theory being that the small gap allows more vapour to escape

I think this is something to be determined empirically.
I shall have a play!

Jim