How many wraps

[Doctorvapes]

Very frustrated, got the pharaoh mini rta today and supposedly 6 wraps of kanthal 24 gauge will get me to about. 5 ohm .

Will my partner wrapped hers first and it worked fine in her rta. Now we've been trying for an hour and a half going between 4 to 7 wraps and it all reads between .9 and 1.5 ohm on the coil master tab.

I only have enough wire for maybe two more coils until my other vapemail arrives... Can anyone help me?

 

[AzPlumber]

Did you check for any resistance in the RTA without a coil installed?

 

[Doctorvapes]

I did that and it read 0 finally got a .8 build, I'll settle for that.

 

[Eskie]

Also double check your grub screws. A poor connection can cause all sorts of mischief.

 

[papergoblin]

I did that and it read 0 finally got a .8 build, I'll settle for that.

Yeah just checked, depending on legs and diameter of coil, single coil should have been 5.2 to 6 wraps. I'm betting it's due to the center pin. My TM RDA if screwed down too tight on my meter (Wotofo) will read a .3 coil as 1.8.

Try next time to just have it make snug contact not full on the meter. Could be something with the atty but may be time for a new meter. I build mine check on meter and verify on a VW mod before using, unless just bored then do a 3rd check with my actual voltage meter.

I have had times where resistance amounts changed depending on batteries being used as well, shouldn't be that way but it's happened. We can get a solid 100w + mod for less than $50, a solid meter under $30 can't be done, it's an engineering impossibility it seems, lol.

 

[Doctorvapes]

OK maybe it is the screws. I ran into another problem, it's spring loaded and while I was putting so many coils in I unscrewed it too much and the spring came out, can't find that spring but it came with extras.. Problem is I can't screw the screw in with spring on it.

I don't know what to do, google hasn't had much on it. I'm wondering if I can use it without the spring in one side?

Also and this might be related to spring or screw connection it read .8 ohm on the meter and the mod until I rewicked it now it says .17 ohm. How is that possible?

 

[the wind]

I did that and it read 0 finally got a .8 build, I'll settle for that.

you posted this after the plumber ask about reading with no coil.
it should not have a reading at all with no coil installed.

 

[Doctorvapes]

That's what I meant, it didn't read it so I said 0. Forgive my poor language skills

 

[the wind]

are you dry burning it before wicking?

 

[Doctorvapes]

Pulsing it until it glows from the inside out

 

[the wind]

could it be 1.7 instead of .17.i don't see a reason to go down after just wicking.did you do something else like put the cap on and it's shorting to it.

 

[Doctorvapes]

OK it reads at about 2.0 ohms on my ohm meter and .17 on my mod. Big difference. The ohm reader is brand new, everything is brand new.

 

[the wind]

did you try to vape it?

 

[Doctorvapes]

Not since the rewicking. It was vaping fine at 25 watts before I had to rewick it due to leaking.

 

[the wind]

Not since the rewicking. It was vaping fine at 25 watts before I had to rewick it due to leaking.

it's not really 25 watts since you mod isn't reading correctly.should vape the same as before since all you did is rewick.

 

[Eskie]

OK maybe it is the screws. I ran into another problem, it's spring loaded and while I was putting so many coils in I unscrewed it too much and the spring came out, can't find that spring but it came with extras.. Problem is I can't screw the screw in with spring on it.

I don't know what to do, google hasn't had much on it. I'm wondering if I can use it without the spring in one side?

Also and this might be related to spring or screw connection it read .8 ohm on the meter and the mod until I rewicked it now it says .17 ohm. How is that possible?

You’re not making a proper connection. I don’t know what tank you’re using, but if the deck relies on spring loaded posts and you lost one the problem is likely right there.

 

[stols001]

Okay but then you talked about losing a spring? Did all this resistance change happen AFTER you lost the spring?

I'm not the best person at RTAs but I'd imagine if you've got a build going with pieces missing from your build deck that you are going to get strange changes?

Is there a reason you can't screw the screw back in with a new spring, as you were able to do so before? Maybe try a magnetic screwdriver if you have one (and if you are lucky, that might work). IDK. Good luck, I don't have any earthshaking answers for you, I'm sorry.

Anna