RDA's I must be doing something wrong :(

[Damphyre]

Was wondering if someone could give me some advice.

I'm using a the plumeveil clone rda from aethertech and the nemesis mech mod.

I have built a duel coil build 0.28 kanthal, 5/6 parallel that reads a res at 0.56 ohm. But it tastes burnt and that's if I can actually take a toke on it, it's so hot that I think my actual teeth are being melted by it. What is it I'm doing wrong? It's not just this coil I have tried 10/11 parallel single coil, duel 5/6 wrap. I'm slowly losing hope now as every time I try something else it's unbelievably hot and always has a slight burnt taste.

 

[edyle]

sounds like you are trying to do too much too fast and will likely get a rude awakening

 

[Bassnorma]

Was wondering if someone could give me some advice.

I'm using a the plumeveil clone rda from aethertech and the nemesis mech mod.

I have built a duel coil build 0.28 kanthal, 5/6 parallel that reads a res at 0.56 ohm. But it tastes burnt and that's if I can actually take a toke on it, it's so hot that I think my actual teeth are being melted by it. What is it I'm doing wrong? It's not just this coil I have tried 10/11 parallel single coil, duel 5/6 wrap. I'm slowly losing hope now as every time I try something else it's unbelievably hot and always has a slight burnt taste.

May I ask you why you favor a dual coil or why you prefer the ohm rating so low? If we are going for vapor enjoyment I am finding that 1.5 to 1.7 @ 3.4 to 3.8 volts on a single coil Kayfun is pretty darned yummy....If you are going for just plumes, I don't have much to offer you there other than wicking. What are you wicking with? Also, maybe airflow issues?

 

[Evilocity]

I don't think 1.5 is the answer, but I'd definitely rebuild to around .7 or .8 ish and see how you like it. I never go below .5 on my builds for the simple reason it doesn't need to be lower. I get great vapor and flavor around 1 ohms or just below.

 

[edyle]

Was wondering if someone could give me some advice.

I'm using a the plumeveil clone RDA from aethertech and the nemesis mech mod.

I have built a duel coil build 0.28 kanthal, 5/6 parallel that reads a res at 0.56 ohm. But it tastes burnt and that's if I can actually take a toke on it, it's so hot that I think my actual teeth are being melted by it. What is it I'm doing wrong? It's not just this coil I have tried 10/11 parallel single coil, duel 5/6 wrap. I'm slowly losing hope now as every time I try something else it's unbelievably hot and always has a slight burnt taste.

wait a minute? Did you mean 28 gauge kanthal??
I thought you left the first question unanswered: assuming it's 28gauge; first thing you should do is work single coil; once that works, adding the second coil is a question of whether your battery can support it.


But this is the "Simple Solutions" forum; there's not suppposed to be RDA discussions in here.

===edit===
looks like the changed the description for Simple solutions
It now says

Forum: Simple Solutions

Absolute beginners - please ask your questions here and get straightforward answers. Nothing is too basic here - ask away!

In which case my response to this thread is:

RDA's, and moreso sub1 ohm , more so mech mods, are not an absolute beginner topic.

Please read up on battery safety and work higher ohms.

see link in my sig

 

[Damphyre]

Yes I did mean .28 gauge kanthal wire. The battery I'm using is a Sony VTC5 30amp battery. I'm using organic cotton to wick. The reason I was going for duel coil is literally shiny syndrome and I though that would increase the resistance so it'd be better for vapour production :S. Would it be best to try for single coils and get the hang of that before trying duel?

Ok but what I don't seem to understand is that the more raps I put on seems to decrease the ohms ( I thought the more wraps and more coils increases resistance). So how many wraps would you suggest doing for something around 1 ohms as even when I've tried doing 7/8 duel coil it came in at 0.4ohm?

 

[edyle]

Yes I did mean .28 gauge kanthal wire. The battery I'm using is a Sony VTC5 30amp battery. I'm using organic cotton to wick. The reason I was going for duel coil is literally shiny syndrome and I though that would increase the resistance so it'd be better for vapour production :S. Would it be best to try for single coils and get the hang of that before trying duel?

Ok but what I don't seem to understand is that the more raps I put on seems to decrease the ohms ( I thought the more wraps and more coils increases resistance). So how many wraps would you suggest doing for something around 1 ohms as even when I've tried doing 7/8 duel coil it came in at 0.4ohm?

That's 28 gauge kanthal, not .28 gauge kanthal.

1.
vtc5 good; have you been reading ecf for a while

2.
how much experience do you have vaping

3.
how much experience do you have buidling on an rba or rda

4.
would it be best to try single coil first - YES.
once you make a coil that gets to the right temperature, then you can make the other coil

5.
I'm sure theres lots of people around here can tell you off the bat what ohm single coil 28 gauge you need;; probbably 1.5 ohm I'm guessig; I don't use 28 gauge.

6.
the more wraps the more ohms you should get yes; it's actually the length of wire used that matter; so more wraps or bigger wraps will give you more ohms.

7.
and if you are using a mech, what mech is it

8.
once you get up to 5 posts (or is it 15) you can go over to the coil builds forum

 

[Damphyre]

OK thanks for the correction.

1. No I haven't been reading ecf that much.

2. about 1 year and half now on a mix of VV devices

3. Almost non other than watching youtube video's and reading tuturials etc

4. right I'll give that a go.

5.ok

6. So how does a 5/6 wrap micro coil end up at about 0.5 - 0.6 ohm and a 10/11 parallel wrap be at 0.56 ohm?

7. I'm using the nemesis mech mod

8. Ok and then they can give me advice on coil building?

Thanks for your help so far by the way

 

[edyle]

OK thanks for the correction.

1. No I haven't been reading ecf that much.

2. about 1 year and half now on a mix of VV devices

3. Almost non other than watching youtube video's and reading tuturials etc

4. right I'll give that a go.

5.ok

6. So how does a 5/6 wrap micro coil end up at about 0.5 - 0.6 ohm and a 10/11 parallel wrap be at 0.56 ohm?

7. I'm using the nemesis mech mod

8. Ok and then they can give me advice on coil building?

Thanks for your help so far by the way

2: Ok Good; 1 years experience; that counts for a lot.

6: 5/6 wrap; oh; you mean a 5/6 wrap dual coil? I'll have to go back and read over the thread to get it straight

8: YES; you'll find lots of pictures too in the COIL BUILDS forum.

 

[classwife]

Welcome to ECF Damphyre




Moved from Simple Solutions to New Members

Simple Solutions is to assist Beginning Vapers

 

[edyle]

6. So how does a 5/6 wrap micro coil end up at about 0.5 - 0.6 ohm and a 10/11 parallel wrap be at 0.56 ohm?

So what are you comparing here, is it a 5/6 single coil and a 10/11 parallel coil?

Those *could* be equivalent in resistance; gah; a 5/6 single would be similar ohms to two 10/11 in a dual coil; the single would be alot hotter.
I don't want to comment on the parallel because it matters whether the coils are touching and how well oxided I guess;

I'm no expert on practical builds, I just know the physics.



What you need to understand is your battery and your 28 gauge wire combination correspond to a certain ohms single coil.
You need to find that ohms single coil. That is the sweet spot.
Once you find the sweet spot, you add the second coil. The ohms of the dual coil will be half the ohms of the single coil.

 

[SpidaFly]

Was wondering if someone could give me some advice.

I'm using a the plumeveil clone RDA from aethertech and the nemesis mech mod.

I have built a duel coil build 0.28 kanthal, 5/6 parallel that reads a res at 0.56 ohm. But it tastes burnt and that's if I can actually take a toke on it, it's so hot that I think my actual teeth are being melted by it. What is it I'm doing wrong? It's not just this coil I have tried 10/11 parallel single coil, duel 5/6 wrap. I'm slowly losing hope now as every time I try something else it's unbelievably hot and always has a slight burnt taste.

Yeah, I tried a 0.5 ohm build and it was a bit too hot for me too. For me, the sweet spot for my RDA seems to be a 0.8-0.9 ohm dual coil build. (This of course is all personal preference I'm just relaying what worked for me. I'd like to run lower ohms for bigger clouds but I find the heat uncomfortable - you might be in the same situation as I am.)

As far as the flavor you're getting - are you sure your wicks are wicking properly and are fully saturated? I notice that if I put too much wick through a coil (ie. too tight) the wicking action isn't fast enough and I'll get burnt flavor more quickly.

I also use organic cotton from CVS. I notice that my first 10 or so drags on new wicks have a "funky" cottony flavor to them. Not burnt, and doesn't sting my throat or lungs or anything. I'm not sure what it is but it goes away after the first 10 or so drags. Could this be what you're experiencing?

Have you tried pulling your wicks to see if they're actually getting charred?

Can you post pictures of your setup?

 

[Bassnorma]

Yes I did mean .28 gauge kanthal wire. The battery I'm using is a Sony VTC5 30amp battery. I'm using organic cotton to wick. The reason I was going for duel coil is literally shiny syndrome and I though that would increase the resistance so it'd be better for vapour production :S. Would it be best to try for single coils and get the hang of that before trying duel?

Ok but what I don't seem to understand is that the more raps I put on seems to decrease the ohms ( I thought the more wraps and more coils increases resistance). So how many wraps would you suggest doing for something around 1 ohms as even when I've tried doing 7/8 duel coil it came in at 0.4ohm?

Actually, dual coil wired in parallel will halve the total resistance of both coils roughly... So if you use a coil toy and do wraps for say, two 1 ohm coils, when you wire them in parallel they come out to about 0.5 ohms.

In parallel:



In series:




So maybe, since you are just starting out you can start with a single coil and get that where you want it first. Once you have that down, go for the fancier stuff.

But if you wanted a 0.8 build with two coils in parallel each coil would have to be 1.6 ohms...which is about 12-14 wraps each on 28g kanthal. At some point that wire is a bit too thick for some decks. I have had people recommend 30 or 32 g for a dual coil build, just so you don't need so many wraps. So again, the coil toy says 9 wraps on 30g with get you to 1.6

Also, not to come off wrong but what battery are you using? It won't affect the taste but it will affect your safety at subohms.

Also, the more wraps the longer it takes to heat....so smaller gauge is your friend on dual coils,

 

[SpidaFly]

Also, not to come off wrong but what battery are you using? It won't affect the taste but it will affect your safety at subohms.

I can't find the post now but I think he mentioned using VTC5.

 

[edyle]

Yeah, I tried a 0.5 ohm build and it was a bit too hot for me too. For me, the sweet spot for my RDA seems to be a 0.8-0.9 ohm dual coil build. (This of course is all personal preference I'm just relaying what worked for me. I'd like to run lower ohms for bigger clouds but I find the heat uncomfortable - you might be in the same situation as I am.)

As far as the flavor you're getting - are you sure your wicks are wicking properly and are fully saturated? I notice that if I put too much wick through a coil (ie. too tight) the wicking action isn't fast enough and I'll get burnt flavor more quickly.

I also use organic cotton from CVS. I notice that my first 10 or so drags on new wicks have a "funky" cottony flavor to them. Not burnt, and doesn't sting my throat or lungs or anything. I'm not sure what it is but it goes away after the first 10 or so drags. Could this be what you're experiencing?

Have you tried pulling your wicks to see if they're actually getting charred?

Can you post pictures of your setup?

0.8-0.9 ohm dual coil: would that be 30 gauge or 28 gauge?

 

[Bassnorma]

I can't find the post now but I think he mentioned using VTC5.

That should be more than sufficient.

 

[SpidaFly]

0.8-0.9 ohm dual coil: would that be 30 gauge or 28 gauge?

Actually I've been doing my build with 26ga. I just played with my wraps until I could get them running in parallel at 0.8 or 0.9 ohms.

 

[Bassnorma]

Actually I've been doing my build with 26ga. I just played with my wraps until I could get them running in parallel at 0.8 or 0.9 ohms.

How does it fire? Does it take a second or two?

 

[SpidaFly]

How does it fire? Does it take a second or two?

Feels like about a second on the first puff, yeah. I have a habit of doing that "test puff" before I take a drag

 

[Bassnorma]

Feels like about a second on the first puff, yeah. I have a habit of doing that "test puff" before I take a drag

Yeah...next time try 30g and that test puff probably won't be necessary...about 9-10 wraps each on 30g. Way to go though on getting it at the resistance you targeted! You are one wrapping mutha...



For the humor challenged...the slinky IS a joke...all in fun