more coil wraps = more or less resistance?

[windxrunner]

I understand that the thicker the wire, the lower the resistance, but I am confused about the number of wraps. My rda is arriving on Tuesday and I've been thinking about coil building,,,can someone answer this question? If I have, say, some 30g wire and I wrap it around something 4/5, check it, and find that I want the resistance to be higher, would I do another wrap or take one off?

 

[VaPreis]

Higher resistance = More wraps

 

[windxrunner]

Gotcha. That's what I thought, but the whole thicker kanthal is less resistance threw me off.

So, to clarify, if I did two coils around the same bit, one 3/4 and one 5/6, the 3/4 wrap would have LESS resistance? Lol

 

[VaPreis]

Gotcha. That's what I thought, but the whole thicker kanthal is less resistance threw me off.

So, to clarify, if I did two coils around the same bit, one 3/4 and one 5/6, the 3/4 wrap would have LESS resistance? Lol

Correct. The longer the piece of wire is, the more resistance it has. The 5/6 wrap is the longer piece of wire.

 

[windxrunner]

Ok. Longer=more. Thicker=less. Thank you very much btw.

 

[rondasherrill]

Ok. Longer=more. Thicker=less. Thank you very much btw.

Yep. Think of it like a crowded hallway. A short or wide hallway is easier to get through than a long or narrow one.

 

[AzPlumber]

Another way to look at Rondasherill's example, thicker wire can carry more current so there is less resistance.

 

[monkey39]

They have an app for that!

If you have an Android phone, download a free app called Vaper's Toolbox. Works for me. Think there are others out there, also.

 

[AndriaD]

For a computer, there is Steam Engine | free vaping calculators -- it's got all kinds of calculators in it, for all kinds of stuff related to vaping.

Andria

 

[windxrunner]

Another way to look at Rondasherill's example, thicker wire can carry more current so there is less resistance.

That's how I think about it. It became clear when I realized that along with the fact that they measure kanthal resistance in ohms per foot. So 2 feet would have double, 6 in. half of its rating and so on. Makes a lot of sense now. I was just like, uhhhh so more wire regardless = less resistance ??? At first but now I've seen the light.

 

[Baditude]

Also, its imperative that you have a way to measure the resistance of your coil before you fire it. An ohm reader, digital multimeter, or a regulated mod with a resistance meter. Only a fool relies on the number of wraps to guess at the resistance.

What mod and what batteries will you be using?

 

[windxrunner]

VTC4, gp paps clone. Don't worry I've done a lot of research on safety. I understand the mathematics and I have a voltage-amperage-wattage-resistance calculator bookmarked.

 

[Wraith504]

Also, its imperative that you have a way to measure the resistance of your coil before you fire it. An ohm reader, digital multimeter, or a regulated mod with a resistance meter.

What mod and what batteries will you be using?

Pretty please say vtcs and not efest purples.

 

[windxrunner]

The efest purples would be fine if I wasn't going below .3 tho.... They aren't like death in a shrink wrap....

 

[Wraith504]

VTC4, gp paps clone. Don't worry I've done a lot of research on safety. I understand the mathematics and I have a voltage-amperage-wattage-resistance calculator bookmarked.

Dont trust an online calculator for your resistance. It will give you a good idea, but there is no substitution for checking with a meter or ohm reader.

or

 

[Wraith504]

The efest purples would be fine if I wasn't going below .3 tho.... They aren't like death in a shrink wrap....

I know but it just burns me that they say 35A all over them in big bold print.

 

[windxrunner]

Efest batteries are really good. Just a bit deceptive in their ratings and not good for cloud chasing. They get a bad rap

 

[Baditude]

Pretty please say vtcs and not efest purples.

Purple Efest Batteries Not As Advertised

Efest batteries are really good. Just a bit deceptive in their ratings and not good for cloud chasing. They get a bad rap

A well deserved rap.

 

[windxrunner]

It never said continuous though. Just 35 amp. I believe the LG ones say the same thing

 

[windxrunner]

I realize this baditude, we just went over this yesterday, you and I. Lol