Flavor Wicks Lowering OHMS?

[SpinDr480]

Greetings,

I have been rebuilding my ProTank and EVOD heads for a couple weeks now with cotton wicks. The cotton wicks I am using taste great, but they are somewhat thicker than the stock silicia wicks that came with the clearo/tanks. Anyway, I am getting a solid 5-7 wraps around these wicks, but for some reason the OHMS are always around 1.8-1.5...I am shooting for 2.5ish.

Because the wicks are somewhat thicker, I wasn't putting flavor wicks in the heads initially and I got good OHM reading On my last rebuild, I added a few extra strands in to use as flavor wicks and for some reason it lowered my OHMS below 1.5. Some were even unreadable after.

Anyway, just curious if it is common to lower OHMs when you have too much wick inside.

Thanks

 

[BigBadKahuna]

I got a newbie question for you. What would make my protank go back and fourth from 9.9ohms to 2.3ohms? The tank is only a week old and I've only filled it up for the second time. It was working perfectly on the first fill, but 2nd fill has been having this problem.

 

[Myrany]

I got a newbie question for you. What would make my protank go back and fourth from 9.9ohms to 2.3ohms? The tank is only a week old and I've only filled it up for the second time. It was working perfectly on the first fill, but 2nd fill has been having this problem.

Are you on a vamo?

if so it is probably either a bad connection to the vamo or a short in the coil. Check the vamo subforum for the info on the 9.9 thing. 9.9 is what the vamo throws when something not right is going on.

 

[Mad Scientist]

Greetings,

I have been rebuilding my ProTank and EVOD heads for a couple weeks now with cotton wicks. The cotton wicks I am using taste great, but they are somewhat thicker than the stock silicia wicks that came with the clearo/tanks. Anyway, I am getting a solid 5-7 wraps around these wicks, but for some reason the OHMS are always around 1.8-1.5...I am shooting for 2.5ish.

Because the wicks are somewhat thicker, I wasn't putting flavor wicks in the heads initially and I got good OHM reading On my last rebuild, I added a few extra strands in to use as flavor wicks and for some reason it lowered my OHMS below 1.5. Some were even unreadable after.

Anyway, just curious if it is common to lower OHMs when you have too much wick inside.

Thanks

I haven't seen the resistance changes you mention but for the other issue, my guess is you are using 30 AWG Kanthal. Switch to 32 AWG and you should get much closer the the desired resistance. The thinner the wire, the more resistance per inch.

 

[crxess]

Wicking is not going to change Resistance.

Coil structure and connections establish final resistance.

 

[crawler65]

Are you checking the resistance dry (before filling with juice) or wet? Could the swelling of the wick be moving the coil around to make contact some where?

 

[HughDaHand]

It shouldn't change the ohm readings unless your flavor killing wicks have something conductive in them. Well I guess if you really crammed alot in there it might push the coil into the head making a short that way but that seems unlikely. What gauge wire are you using? For me I wrap 32ga kanthal around a 1/16 drillbit and with 6 wraps I get a 2.2ohm coil. That works out great as that bit fits snug in the opening of the head and makes for a perfect sized wick to use so that I don't need any loose wicks.

 

[razor4432]

I would suspect you are using 30 gauge, I rebuilt mine last night for the first time with 30 gauge and 6 or 7 wraps and got 1.6 ohms.

Killer vape too

 

[BigBadKahuna]

Thanks for the replies guys, I'm running on a Tesla, haven't rebuilt protank. My tesla with the vivinova is running perfectly, using it right now. I think I'm going to change the coil. Was using the 2.4ohm coil, got a 1.8ohm coil that I was in the set and see if it changes the 9.9ohm reading on my screen. It might just be the coil or bad connection like Myranny said.

 

[DavidOck]

I think Hugh might be on to something....

OP states that the wicking used is quite a bit thicker. Adding some more for the flavor wick adds more thickness. Pushing the post back on could be crushing the coil wraps enough that one or two turns touch, changing the overall resistance (and making a hot spot.)

Try checking the resistance before putting the post back in, then after. If it changes, that could be the problem.

Cotton will expand when wet a lot more than silica, so it's also possible that as it does so, it deforms a wrap enough to touch the side of the base...

 

[BigBadKahuna]

Thanks Hugh, took the coil out and put back in. It's working, maybe was a short, I'm a newbie so I don't no why it was doing that.