Iron Lung REOnauts *Sub-OHM*

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SLIPPY_EEL

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Yep I very much understand your point on the VD of the batt not making an ounce of difference to anything and shall carry that with me now forever.
I think it's just that once you start to mod thing's to lower your VD it get's addictive or you end up turning it into a hobby, especially if you haven't had any electrical background it makes all the gains you get all the more satisfying.

Thanks Quigs :)
 

Chowderhead1972

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As Turbo mentioned, I wouldn't sweat the gold plating, the beryllium underneath it is still an outstanding contact material.

Interesting that I've stumbled on to this thread now...I've been emailing back and forth with a buddy who's still in the industrial controls biz (he's actually an elevator mech. who specializes in keeping older relay controllers alive...believe me, this guy knows his contacts!) ...he asked if I was still doing that crazy vaping thing and we got on the subject of contacts and arcing...his suggestion, get this, you won't be sorry...

DeoxIT® Gold, #G100P ...granted it's not cheap but as I get further and further into making my own mechs I think it'll be worth it in the long run...

btw, try and avoid cleaning with alcohol, ya it can work but there's invariably water in most alcohol solutions...in an hour you'll be right back where you started from.

Same stuff right?

http://www.amazon.com/DeoxIT®-GOLD-Liquid-squeeze-solution/dp/B003D8EA7A/ref=sr_1_1?ie=UTF8&qid=1401748330&sr=8-1&keywords=deoxit+gold
 

SeaNap

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LOL..I hear ya, but I also have to remind myself that I can only do so much...aside from using aerospace grade super conductors, insulating the crap out of the batt and then filling my mod with liquid nitrogen that is...Mwa, ha ha!

Sign me up for one of those when you make it :D

In regards to the battery resistance, I agree with quigs. It is possible to measure the internal resistance (or inductance) but the only thing that truly matters is the over all voltage drop of the complete system. An easy test that you can do is measure the VD at the coil with an AW 1600 then measure with a VTC5 so that you can see a measurable improvement.


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X-Puppy

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I've used Deoxit gold for years (20+) in electronics manufacturing on gold edge contacts. I've also been using it on REOs for several months now. I can vouch for the fact that it's good stuff and it's been working quite well on my .4ohm dual coil setup. Both the old and new contacts.

I'd like to hear from anyone using it @.2ohm.
 

Quigsworth

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I've used Deoxit gold for years (20+) in electronics manufacturing on gold edge contacts. I've also been using it on REOs for several months now. I can vouch for the fact that it's good stuff and it's been working quite well on my .4ohm dual coil setup. Both the old and new contacts.

I'd like to hear from anyone using it @.2ohm.

Good to hear...I should have mine this weekend

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GreatestUnKnown

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I am going to swing by Fry's some time this week to swoop some up (as long as I don't get distracted during my search thru the store for it.) I have been having trouble getting accurate readings on my VD tests between my three REOs, almost like my multimeter is lagging way to much to keep up, so I may look into upgrading that piece of fear as well. Lastly I will be trying these test with a set of brand new VTC5s to eliminate any battery age from affecting the results...
 

GreatestUnKnown

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Another thing peeps tend to forget...change the batt in your meter :p...been guilty of that myself...

Mine is a cheap one I got from RTD to check battery levels...it works fine for that function but will only read to the tenth for resistance and when checking for VD it will read anywhere from 0.5-1.8V (in other words says I am either spot on with these new contacts or getting some dangerous battery sag) so an upgrade is due.
 

Quigsworth

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To the 10th ohm is pretty standard, I have a fairly decent Fluke and that's all it'll do for resolution...but the VD readings...yup, I'd say you've got an issue somewhere, lol

I search ebay every once and a while for an "old school" analog meter (remember the ones we used in high school, the big ... Bakelite monsters that you have to manually "zero"?)...they're out there but $$$
 

GreatestUnKnown

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Well I was bored and after doing some rough numbers for the REOs off hand I determined that I will be buying a new multimeter tomorrow (or today actually) but figured I would share in hopes to inspire you other Iron Lung REOnauts to share your results, both technical and visual/physical.

Here is a little snip of to fog in my part of REOville:


I should have refilled my bottle before filming but this wasn't planned, more of a last ditch effort to salvage a wasted evening.
 

MattyB1503

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Sooo, I take it I shouldn't pump gas and vape my Reo at the same time...

Hey guys, new Reonaught here. I want to say that this is a slight negative for me but I'm interested to see how you guys are dealing with it.

They just do that then...? arc like that?? It's normal, I guess?

Reo came yesterday. I haven't dripped all day, not a drop; just been squokin. But I did notice it arcs pretty good... I'm at 0.39 ohms right nows, which is high for me. I would say I noticed a v-drop right away; after about an hour. Just now I thought my battery was dead (running new vtc5's) but I popped it on the charger and its @ 3.7v. I had a ring of carbon on my battery positive. I kept rotating it all day to get a fresh spot. So I hit it with some 600 grit and it came back..

BUt, what's the deal? that's not even super low? I even put dabs of No-Ox-Ide A special on the contacts, still arcs.

I guess I have a leg up on most of you. I'll just have the top contact done in Rhodium the next time I go the plating.


Thanks for any info!








^Obligatory vapemail pics
 
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DasBluCig

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To the 10th ohm is pretty standard, I have a fairly decent Fluke and that's all it'll do for resolution...but the VD readings...yup, I'd say you've got an issue somewhere, lol

I search ebay every once and a while for an "old school" analog meter (remember the ones we used in high school, the big ... Bakelite monsters that you have to manually "zero"?)...they're out there but $$$
Simpson 260.....had one a long time ago....NEVER should have parted with it!!!!!!:(
HUGE 6" meter....the meter movement was actually made (for a time) by a company near me (Beede Electric)...I still have a couple of their VU meters that I used for an audio mixer!!!
Gonna spring for a decent Fluke pretty soon.....My Radio Shack DMM is OK, but just not stable enough at really low resistances.....
Happy (vaping) Trails!
 

super_X_drifter

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Sooo, I take it I shouldn't pump gas and vape my Reo at the same time...

Hey guys, new Reonaught here. I want to say that this is a slight negative for me but I'm interested to see how you guys are dealing with it.

They just do that then...? arc like that?? It's normal, I guess?

Reo came yesterday. I haven't dripped all day, not a drop; just been squokin. But I did notice it arcs pretty good... I'm at 0.39 ohms right nows, which is high for me. I would say I noticed a v-drop right away; after about an hour. Just now I thought my battery was dead (running new vtc5's) but I popped it on the charger and its @ 3.7v. I had a ring of carbon on my battery positive. I kept rotating it all day to get a fresh spot. So I hit it with some 600 grit and it came back..

BUt, what's the deal? that's not even super low? I even put dabs of No-Ox-Ide A special on the contacts, still arcs.

I guess I have a leg up on most of you. I'll just have the top contact done in Rhodium the next time I go the plating.


Thanks for any info!








^Obligatory vapemail pics

Here are some tidbits on arcing from one of our resident bad asses @Quigsworth:


It's called arcing, It's not a big deal, in fact it should be expected...1 ohm coil, 4.2V fresh batt, when you press the button down and make contact with the battery, you've just made a connection where 4A+ (the initial surge notwithstanding) is instantly flowing through a coil. The button press arc is caused by any microscopic crud on the contact (left from he last time you pressed/released the button) and the arc when you let go of the button comes from the coil's (inductor) magnetic field collapsing, backfeeding and attempting to keep the current flowing. It's just the simple laws of physics at play here...blame Michael Faraday :D

Noalox isn't stopping the arcing, it's simply hiding it, it's still happening (at least the arc from letting go of the button)...the only way Rob could possibly minimize his mechs from arcing would be to somehow incorporate what's known as a fly-back-diode into the circuit (or somehow shroud the batt top/contact from view)...every tube mech does this as well, it's just never been an issue cause peeps can't see it ;)

edit: I really shouldn't just say mechs...any enclosed switch on any mod also arcs which is why switches eventually wear out, the contacts pit from arcing...you'd be shocked to see what goes on inside the light switches of your home...especially if that switch turns a motor on/off...

now that I've freaked everybody out...




And here's the thread where I crept that post from:

http://www.e-cigarette-forum.com/forum/showthread.php?t=563707


It's all good bro. What I learned is that arcing occurs in all mods it's just that you can see it in a REO :)
 
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Quigsworth

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Sooo, I take it I shouldn't pump gas and vape my Reo at the same time...

LOL, there's a candidate for the Darwin list :p...no you probably shouldn't vape while pumping gas, with any mod:facepalm:...nothing short of an explosion proof enclosure would really be safe...

...don't get me wrong, I understand the desire to venture deep into high current vaping, I do it myself...but there's a whole world of physics that probably should be understood (beyond basic batt safety) so peeps have an idea of what they are getting themselves into...if you really want to know, Google "switching a DC current/inductive load"...kinda boring, dry stuff...but if you're gonna play with guns?....

But ya, SuperX nailed it, anyone that says their other mods running a .25 ohm coil set don't arc is either living in some parallel universe where there's a different set physical laws but more probable is their tube mod isn't transparent.

btw, if you're plating with rhodium to further protect against pitting, good call, but if you're doing it to stop the arcing or improve conductivity, don't waste your loot.
 
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