One side has 6 wraps and the other 7
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Both side should be the same. That being said you can use it but the side with less wraps will heat up faster. I feel you are not going to like that setup with that high of a ohms rating. You probably want to be down more in the 1.5 ohm range for most devices. It is going to take forever for your current build to heat up enough to vape. Download the phone app "Vape Tool" it has a great coil building tab that is easy to figure out.
I actually changed the coil that had seven wraps to match the one that had six but I'm just wondering if I were to use the RDA with one coil a different ohm than the other if it is a safety issue.
Not a safety issue, you just wont likely be happy with the results.
Like Thumps said though, that is an unusually high resistance. Are you sure that this is the actual resistance of the coils? Maybe you have a high resistance somewhere in the mod or atty. A loose connections can do it, for example.
What size (inside diameter) is the coil?
This is a good calculator for coils.
Coil wrapping | Steam Engine | free vaping calculators
Yes, it can be.. dual coil setups should always be the same.. they need to heat the same, have the same resistance, etc.
You could end up shorting it, should one side gets too hot and cause the mod to not be able to balance the power properly. You could even end up with your RDA/RTA being hotter on one side, cracking the glass or such.
Even if you use coils with the same ohm but different (metal used, gauge, clapton), there's a huge difference in how the metal would heat up, etc.
I'd highly recommend against it.
There are a couple different kinds of Kanthal, so this may change the theoretical a little depending on what type you have.
6 wraps of kantahl around a 3mm shaft, in a dual coil configuration, "should" be about 0.3 ohms. A tenth of what you are getting. Something is amiss somewhere. Can you post a picture of your setup?
6 wraps of kantahl around a 3mm shaft, in a dual coil configuration, "should" be about 0.3 ohms. A tenth of what you are getting. Something is amiss somewhere. Can you post a picture of your setup?
I apologize. I am getting the ohm reader at . 35 with 6 wraps of 24g kanthal a1 around a 3mm shaft. I want to get a 1.8 build with the same wire.
I suppose that's what I was doing then. But how can I build a .18 with the same 24g wire?
Ahhh, that sounds more realistic.
To get a 1.8 ohm build using that wire I think you would need to go to a single coil, and even then you would need 20 wraps.
I think you would need thinner wire to get a realistic coil in that resistance range.
Ooops, Im sorry, I just saw you said 0.18, let me recalculate
I am so sorry. I have a bad tendency to put the decimal in the wrong place. I meant I am trying to get a .18 build. I'm assuming 24g which is what I have is not right.
22g might be better for you. But what is so magic about 0.18? 6 wraps with what you got is around 0.3, thats not a bad rig.
That's true. .3 is okay. I have the cloud beast so I'm thinking too big. Also did you ever have the Wismec Indestructible? I find that for my first RDA it's difficult because the middle is higher that the sides.
No, sorry, never had one of those.
You could probably do a 4 coil rig in that cloud beast and hit your target.
If you are just starting though, tackle 2 coils, learn it well, then chase the dragon.
Its always a good idea to have the coils identical as possible.
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