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I'm thinkin' maybe we should try this again? . . . . and you kids should behave yourselves

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Clark F

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I believe you are correct. Based on his post #4997, when he melted the kanthal. He didn't say what gauge he melted, but did say the next try would be 24 gauge.

Actually it looks like FB is correct. Just rewatched his vid. Both batteries go in the same.

I couldn't watch the vid at work and the melted wire statement made me think it was in series. Going watch it now.
 

Vapeaholic

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I couldn't watch the vid at work and the melted wire statement made me think it was in series. Going watch it now.

Also the 75 watts with .1 / .2 ohms means parallel
That was my assumption also from the melted kanthal. His vid clearly shows them parallel though, both pos side up. And as FB states, the 75 watts adds up.
 

bigdancehawk

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ok, last pics. I know that was a lot.

15687226562_3417c153eb.jpg


15499774459_6c69114868.jpg


15661933566_f2ffc039ea.jpg

This is the most beautiful mod in the world.
 

2pak2zero

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That was my assumption also from the melted kanthal. His vid clearly shows them parallel though, both pos side up. And as FB states, the 75 watts adds up.

Thought he said it 26ga nichrome that he melted.

I've built some pretty low ohm coils with it and never melted it before. Had some r41 crumble on me, but that was a hot leg.
 

pdib

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sounds like y'all got it pretty much worked out. Parallel. The batteries are pretty dang new and same lot/purchase. I've been monitoring them and they are synced up pretty nice. I gather they balance out of their own accord (?); but I've been sneaking up on them and they're always reading exactly the same voltage.

Two reasons I was interested in dual parallel. The primary was to not be approaching or putting to the test the purported continuous discharge amp rating of my batteries. I've been hovering around .2+Ω and wanted to sink a little deeper. And I'm not interested in approaching my vapes like it was brain surgery or a math exam. My 2, ~$50 DMMs aren't giving me readings to the 100th, and I probably wouldn't believe them if they did. So, in theory, parallel batts doubles the Amp rating (as one is only asking for 1/2 the energy from each battery). HOWEVER, a wise old Mundy once told me that, rather than double the Amp rating, 1.5X would be a good limit. So 75% of the combined Amps. This is in comparison to the 80% of a single batt. recommendation. The idea here, is that one can't assume they have perfect batts and a perfect system and one battery may be working harder than the other.

So, a conservative ceiling for a pair of LG HE2 batts would be 30A continuous. If I were an idiot, I could suggest some much more impressive number (like double the "pulse" rating .. . . but no). The 30 Amp rating can get me to 120 Watts and be miles from any safety margins (as regards amp ratings specifically).

NOW, me and Vwls were speculating* that another benefit of dual parallel batts is (well, what I imagine to be the real-time manifestation of those combined Amp ratings) . .. .

heat-up time. I've never seen this much 24 gauge wire light up so fast. bam! . . .. . . nice! :D no foreplay needed here.




*probably everybody and their uncle knew that already; but Vwls and I didn't, so that left us speculating.
 
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pdib

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As to the rod bending. Well, bend it back. :closedeyes:

That's one of the main things I can only get an idea of with time and use. I'll tell you though that the silver rod is apparently cut from a spool and comes to me in a circle of diameter ~ 10". It's made for bending. I fiddled around with straightening it and then fine tuning it to fit the hole. Seriously, if it bends a little, I'll just unbend it. What's more, this silver comes to me "dead soft". If anything, the minor flexing that occurs in use is hardening it (on some tiny level). So, over time, it may keep it's shape better.
 
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