Z atty U voltage drop

[ninfreak]

You can't tell if there is a voltage drop with a Provari. The provari actually regulates the volts and keeps it at a constant. You can only measure the voltage drop with a mechanical device and a multimeter.

not true......with the provari if you are having a voltage drop the ohms wil start to go steadily up...that is when you know it is time to clean....i clean my zap weekly and have no voltage loss. it gets gunked up inside and oxidation on the internal parts plays a role, as in any mechanical device. clean it and you will have no issues. i'm tired of hearing how the z-atties are garbage and don't work, when people need to realize you need to clean the frickin thing. that was not a rant at you just venting a bit on the stupidity of others. i'm hearing this a lot these days. you don't say a gun is garbage cause you need to clean it, or say a car is garbage cause it needs and oil change. how is this any different?

 

[EDO]

I then wrapped a .9 ohm coil and voltage drop was around 1.4 volts. So it's almost like the internals are regulating the amps or something like that, this is at least my thought, so for now untill my other atomizers come I'm going to try to get this running better at all ohms with the brass idea shortee is using.

This is how voltage drop works.... the lower ohm coil you make the higher the voltage drop and the greater wattage lost. A 1.4v voltage drop is ridiculously bad. With a 0.9ohm coil that is a loss of 11 watts.....you would be vaping at less than 9 watts.

 

[EDO]

not true......with the provari if you are having a voltage drop the ohms wil start to go steadily up...that is when you know it is time to clean....i clean my zap weekly and have no voltage loss. it gets gunked up inside and oxidation on the internal parts plays a role, as in any mechanical device. clean it and you will have no issues. i'm tired of hearing how the z-atties are garbage and don't work, when people need to realize you need to clean the frickin thing.

Ok....so you want to know the voltage drop of your atty for a specific coil you made.....How would you go about knowing exactly what that is on a Provari? WHat you are talking about could be resistance of your set up going up from the gunk build up on the coil as well as the device needing a cleaning. What you are talking about is over a period of days.....I am talking about instantaneous measuring of the voltage drop caused by the internal resistance of your device and atty (that is clean with a new coil).

 

[Rymarski]

Totally went past me there with the provari.

Gonna pick up a multimeter this weekend and do some testing with the ZAP and ZAU. Really curious now about this voltage drop being that bad.

 

[Rymarski]

I still just cant see people losing 1+ volts with these attys. EDO have you used a zau and checked the voltage drop? Curious on this.

 

[EDO]

Rymarski...I don't have a ZAP so I have no clue about the its voltage drop...maybe JimmyHat measured it incorrectly. But if it is 1.4v for a 0.9ohm coil that is terrible. You can't measure the voltage drop cause by the internal resistance of the Z Atty without a mechanical device and multimeter. Even then you get the total voltage drop (including the mechanical mods internal resistance). For example my Current set up has a 0.3v drop with a 1.0ohm coil.....I lose 1.6 watts due to the internal resistance of my set up as a whole. So If I got a ZAP to test out and put a 1.0ohm coil on it and suddenly I got a 1.1 voltage drop on my Mechanical device I would see a difference of 0.8v Compared to my current set up and I can attribute that to the ZAP....an extra 5.6watts lost due to the ZAP. Hope that made sense.

 

[Jimmyhat]

You can't tell if there is a voltage drop with a Provari. The provari actually regulates the volts and keeps it at a constant. You can only measure the voltage drop with a mechanical device and a multimeter.

This is what I thought but when I took a multimeter to my zau on the provari I got a .5 voltage drop so it wasn't as bad as it was on my mechanical mod which was 1.3 volts in drop but it was still there.

 

[shortee611]

I did some ohm measurements before and after ditching the spring. I did the ohm readings with a vv/vw device. With twisted 32 awg 3/2 wrap before I swapped out the spring I was getting a reading of .9 ohms. I then removed the spring and swapped it with a solid piece of 1/8 brass, same coil. Now I get a reading of .7 ohms. My ZAU was completely clean, no gunk or anything in were the spring was. I had even stretched the spring a bit trying to make better contact. I figured I'd do a different test after that. I changed the ZAU back to stock, removed the coil and put a piece of speaker wire in place of the coil and checked the resistance. .3 ohms with no coil just a direct connection. I then reinstalled the piece of brass and remeasured. .1 ohm. I figure that .1 ohm is from that tiny pin in the bottom of the 510 connector and the ss top piece. Well sometime next week I'm making a solid 1 piece pin including the top threaded piece. But if i do that there's no going back to stock as I have to drill out the bottom of the 510 connector to accommodate the larger brass pin. Mind you this is on a ZAU that's less than a month old. I'd imagine there all the same. The only reason I noticed was because I had something to compare it too. I wondered why it took an extra wrap on the wife's AGA T+ to come out to the same ohms with the same diameter wick (the AGA wick hole has been drilled to the same size as the ZAU). That was because the ZAU had internal resistance. Before that I thought the ZAU was great.

 

[Jimmyhat]

not true......with the provari if you are having a voltage drop the ohms wil start to go steadily up...that is when you know it is time to clean....i clean my zap weekly and have no voltage loss. it gets gunked up inside and oxidation on the internal parts plays a role, as in any mechanical device. clean it and you will have no issues. i'm tired of hearing how the z-atties are garbage and don't work, when people need to realize you need to clean the frickin thing. that was not a rant at you just venting a bit on the stupidity of others. i'm hearing this a lot these days. you don't say a gun is garbage cause you need to clean it, or say a car is garbage cause it needs and oil change. how is this any different?

I would agree with this but I am one to constantly clean stuff. With my zau's I had them apart and spotless clean several times and the voltage drop has never changed with a cleaning. In fact the one was brand new and had a huge voltage drop. I was thinking that my problem was due to myself but I can't see what I'm doing differently than anyone else. The big problem is the spring at least for me, once I replaced it with a brass post more than half of the voltage drop disappeared. However it still doesnt make sense to me that only a few of us have issues and others don't especially when I clean mine religiously.

 

[Jimmyhat]

Well sometime next week I'm making a solid 1 piece pin including the top threaded piece. But if i do that there's no going back to stock as I have to drill out the bottom of the 510 connector to accommodate the larger brass pin.

Let me know how this works out as I was thinking of doing the same thing after you mentioned it in an earlier post. Thanks again for the idea of replaceing the spring with a brass piece (I used a brass machine screw that I cut down) it really did get rid of a lot of the drop. The zau does need a full brass set up though because like you said no matter what you do untill then you will always have drop cause of the ss pieces

 

[shortee611]

For those that don't think their Zen has a Voltage loss replace you coil with a piece of copper wire then check the resistance with a vv mod. You may be surprised. If it reads anything that means there is voltage loss. I actually hope this is isolated to a few units and not all of then. If it is all of them that sad. The spring is a poor idea. But its very easy to make a new piece to replace it. As far as i know it's the only RBA with a spring inside to transfer current.

 

[shortee611]

Hobby shops carry small pieces of brass I picked up a foot for a dollar.

 

[Jimmyhat]

thanks I was wondering where I could get some brass pieces from other than a metal supply store. I'm starting to think it's all units but again I'm also wondering how accurate my multimeter is. It's a decent craftsman one so it should be accurate but I'm picking up a .5 volts drop on my ihybrid (this is an ihyrbid that I have yet to use) and everyone says you shouldn't have any. Now I know on a brand new aw battery you will have a drop of roughly .2 volts loss and with an older battery you could have almost .6 volts loss so let's say my batteris are brand new I'm still loosing .3 volts. So what I'm thinking is one of two things either a lot of people aren't measuring the voltage drop properly and they are getting a drop which you should because of the battery at the least. Or my multimeter is a little off, sometimes it does act goofey but very rarely. So I'm going to borrow my buddy's recently purchased snapon multimeter and see what the voltage drop is then, I still think I'm going to have a significant amount though.

 

[EDO]

However it still doesnt make sense to me that only a few of us have issues and others don't especially when I clean mine religiously.

If it is true that the Zatty has a high internal resistance ...most people wouldn't realize it because they use it on the provari with a higher ohms set up and they don't know what they don't know. Once they switch over to a mechanical....that is when they probably notice it when they use it with a low ohm set up and they see that their other gennys are hitting harder.

 

[EDO]

For those that don't think their Zen has a Voltage loss replace you coil with a piece of copper wire then check the resistance with a vv mod. You may be surprised. If it reads anything that means there is voltage loss. I actually hope this is isolated to a few units and not all of then. If it is all of them that sad. The spring is a poor idea. But its very easy to make a new piece to replace it. As far as i know it's the only RBA with a spring inside to transfer current.

That is a good idea....use an NR wire and see what resistance you get. So what resistance did you get?

 

[shortee611]

.3 ohms. Measured with a vv/vw device and double checked high end fluke multi meter . With a mm you have to take into account the resistance of the meter mine is .2 ohms.

 

[wfarrar33]

So I cleaned mine up pretty good under load with a 1ohm coil I get right at 2.5 volts on a fresh battery on both ZAUs. My Zag which I have never disassembled and cleaned I get 3.35. When u guys find a permanent fix please keep me in mind.

 

[EDO]

So I cleaned mine up pretty good under load with a 1ohm coil I get right at 2.5 volts on a fresh battery on both ZAUs. My Zag which I have never disassembled and cleaned I get 3.35. When u guys find a permanent fix please keep me in mind.

Holy cow that is bad. The mechanical mod has an internal resistance also. Have tried using a different Genny and seeing what voltage drop you are getting with a 1ohm coil? What is the mechanical mod that you are using? Also the battery could be bad....you want to use the higher end IMR batteries like the AW and better. BTW sorry to say the results for the ZAG is pretty bad as well ....just not as bad as the ZAU.

 

[Jimmyhat]

So I cleaned mine up pretty good under load with a 1ohm coil I get right at 2.5 volts on a fresh battery on both ZAUs. My Zag which I have never disassembled and cleaned I get 3.35. When u guys find a permanent fix please keep me in mind.

See on two of my zag's that on both of them I'm getting about 3.85 volts on a battery that's around 4 volts so just under fully charged. However I have a third zag that is getting around 3.4 so about the same as you. I have yet to pull it apart but still I don't understand these changes from one atomizer to the next.
Also for you EDO, the two zags that are having very little voltage drop have coils that are 2.1ohms on 32ga and 1.7ohms on 30ga. The one with the voltage at 3.4 is at .9 ohms on twisted 28 ga (i think, it could be twisted 30ga but I'm pretty sure its 28). So there def is something with a lower resistance coil but at somepoint I'm going to use a higher ohm coil and see is the drop gets reduced.

 

[EDO]

.3 ohms. Measured with a vv/vw device and double checked high end fluke multi meter . With a mm you have to take into account the resistance of the meter mine is .2 ohms.

Well the best thing would be to make a certain coil (lets say a 1 ohm coil) on your zenesis now. Test the voltage drop your are currently getting. Once you mod the Zatty make the same exact coil again and test the voltage drop.... let everyone know what is the difference.