First Reo Short, Coil Collapse. Cause?

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Hugga99

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Were you using a metal drip tip?

Some metal drip tips can go too far into the chamber when inserted and make contact with the positive post, or snipped wire on the back of the post if you bent it up.

Sometimes drip tips have some "play" to them, and it wasn't making contact until you nudged it the right way while vaping to finally make a connection and cause the short. Could be why it happened out of the blue...

I am, but it doesn't go very far into the chamber. It doesn't go below the lip of the RM2, I checked that before buying the tip.
 

Hugga99

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Just to let you know the spring is a spring not a coil. THe spring is below the negative end of the battery. THe coil is the wire inside you atty. I had to reread your thread several times for figure out what your problem was. Sometimes it gets confusing. No big deal. I just thought it might help in trouble shooting your problem. :)

I Have to agree with Filthy on this one. THe atty works well on your VV but didn't on your Grand. What ohm is your coil and what type of battery was in the Grand?

Sorry for that, I know the difference (just didn't write well), haha. The coil is 1.1-1.2ohm, definitely not too low. The RM2 was working well on the Grand, then the spring collapse occurred. I immediately put it on the VV, and it fired right up. I then double checked that the screws were tight on the RM2, made sure the coil was well positioned, and put it back on the Grand (pulled spring back up). It fired right away, no problems.

Could it have been debris under the Reomizer?? I had cleaned the well with a cue tip and paper towel. Would having a tiny cotton piece stuck cause this? I am very careful, normally, and check everything, which is why I am not sure the cause of the spring collapsing.
 

Hugga99

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Nothing to add as to possible cause of the short,but as for the shortstop, yes, it works with AW IMR 18650's, both the 1600 mAH and the 2000 mAH (slightly longer).

Slow collapse of the spring due to over heating, as mentioned above, seems very likely. Best advice is to use AW IMR batteries, and get an accurate resistance reading (ohms) on your coil. I would strongly advise anyone who isn't knowledgeable about such things to stay at or above 1.0 ohms. I don't recall seeing anyone selling atomizers lower than that, and its likely because of the risks associated with sub ohm atomizers. You can drive most any automobile safely at 50 mph, 150 mph is a different story.


What exactly do you mean by "slow collapse"? I was definitely at 1.1-1.2ohm. However, before the spring completely collapsed, I had noticed the battery seemed a bit 'looser' than normal. I had taken it out, and put it back in, thinking I had simply placed it in the compartment poorly. Could the spring have been gradually collapsing, until it reached the breaking point? I do not see how running 1.1ohm could do that, but who knows.

I am using the Efest IMR 18650 3.7V 2000mah (V2).
 

Zealous

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I'm no expert as I'm new to Reos. But I had an experience last night that might be what happened to you. While vaping on my Reo the vapor production just totally stopped & the atty was doing nothing. I checked the coil carefully for shorts but found nothing odd. After checking it on the ohm checker it turned out the screws had wiggled a bit loose. Once I screwed them back down again the atty was reading the correct ohms & was working properly again.
 

Hugga99

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I'm no expert as I'm new to Reos. But I had an experience last night that might be what happened to you. While vaping on my Reo the vapor production just totally stopped & the atty was doing nothing. I checked the coil carefully for shorts but found nothing odd. After checking it on the ohm checker it turned out the screws had wiggled a bit loose. Once I screwed them back down again the atty was reading the correct ohms & was working properly again.

I suppose that could have been it. I did check the screws, and they seemed fine, but who knows, haha.
 

Filthy-Beast

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When I google that battery max continuous discharge amp ratings are all over the place. I've seen 4.5 on several sites. If this is true a 1 ohm coil is really pushing that battery and could have heated up enough to cause the issue. an AW IMR 1600 mah can handle 24 amp. What gets a lot of people is the mah rating but for mechanicals this number is meaningless. what matters is how long it stays above 3.7 volts not how long until it drops below 2.5 volts.

check out this test of your battery vs the AW 1600.
Bat.jpg
 

Hugga99

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When I google that battery max continuous discharge amp ratings are all over the place. I've seen 4.5 on several sites. If this is true a 1 ohm coil is really pushing that battery and could have heated up enough to cause the issue. an AW IMR 1600 mah can handle 24 amp. What gets a lot of people is the mah rating but for mechanicals this number is meaningless. what matters is how long it stays above 3.7 volts not how long until it drops below 2.5 volts.

check out this test of your battery vs the AW 1600.
View attachment 310378


That is interesting. I researched it and Efest says 10 amps for the battery, and I was only running at 4(isn), so I thought I was alright. I figured even if the company was overstating the number, 4 was still safe. The battery has been working fine in my iTaste 134 since, and the Reo did fire alright, so I will just chalk it up to a fluke, of sorts. I know to watch out for, so I will just continue that in the future.
 

Filthy-Beast

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Yeah if it's a 10 amp then it should not have had a problem. In a regulated device it will perform much better than a mechanical because they can boost it and use more of the lower voltage power range. In the mechanical only the performance above 3.7 matters. This chart also shows the two AW batteries tested the same but the two efest batteries tested, performed differently.
 

Funk Dracula

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Your Efest battery is fine for the coil your running. As Filthy said though, you are getting pretty crappy performance out of them on a mechanical. They may be rated to 10Amps, but their internal resistance makes for very weak/poor straight voltage performance without a boost chip.

Something shorted. I don't think you were hitting it too long, or taxing your battery, or anything of that sort.

The good news is the hot-spring did what it's supposed to, and collapsed. The bad news is it collapsed because something definitely shorted.

You never answered: Were you using a metal drip tip?
 

Hugga99

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Hey funk i believe he did and said that he verified that it didn't protrude.

Sorry for the long delay in replying. Yea, it didn't protrude. Idk what happend, I have been using the Reomizer without any fixes since on my VV zero, without issues. I will chalk it up to a random mistake, but the spring definitely did it's job! I still haven't ordered another spring though, I need to get on that.

Anyone know how to fit a 2cent fuse in a Reo Grande?
 

Funk Dracula

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ancient puffer

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If the 2-cent is like the shortstop, it can be fitted below the battery (between the battery negative and the spring) with the nipple side down, like this:

ancient-puffer-albums-mods-picture216928-imag0092.jpg


I've been running my grand like this for well over a year. Note there is still room for the spring to collapse, should the 2-cent/shortstop fail.
 
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