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  1. R

    Voltage Under Load

    The formula is for calculating voltage drop across series resistors. It's simply rearranging Ohm's law using different values than the average vapor might be accustom to using. VDROP = I * R I = Current through the resistance R = Resistance of where you are calculating voltage drop. "R"...
  2. R

    Voltage Under Load

    With a 1.4Ω coil and fully charged battery and 1.0v drop...you have a total resistance is 1.84Ω. Meaning that you have ~0.44Ω in additional resistance between the battery's internal resistance + the resistance of the mod and atomizer. A 1v drop is a large amount. I quit using my AGA-T because...
  3. R

    18350 Battery Stress-Test and Safety Demonstration

    Batteries are sealed units, so submerging them in water isnt going to do much unless you want to wait for the rust to weaken the case to the point of failure. Beyond that, there isnt very much Lithium metal in a Lithium ION battery. What little metal there is, is rendered chemically inert by...
  4. R

    Question about battery life

    If the vape is anemic at 3.9v...move to a lower resistance. You are only using about 15% of the battery. To get maximum battery life with an unregulated mod, you have to set your resistance to where the vape is a little warmer than you prefer at full charge, just right at mid charge, and a...
  5. R

    Private V2 Clone

    Considering that those batteries were designed for use in multiple-battery packs using weld tabs to connect them, the lack of wrap on the neg end should not be a surprise.
  6. R

    What happened to my battery?

    That is correct. Pic of a CGR18650CH when I re-wrapped it.
  7. R

    Former Jarhead to Current Jarheads...

    Aww..come on now, the stumps isn't that bad. I'm one of the crazy ones that cant wait to get back. One things is for certain, if 29 Palms has those signs, so do the other bases. It's not surprising that MCCS and Semper-Fit have taken a stand against e-cigs. They have always been...
  8. R

    pics of your coiling contraption thingy?

    Hmm...saw this in the "Customers Who Bought This Item Also Bought" section...
  9. R

    Diy ohm meter????? Parts list

    Here is the parts list I used for the Elecronics-DIY meter. You don't want a 0-200Ω panel meter...you want a 0-199.9mV panel meter. The circuit is a neat trick to make a voltage regulator into a constant current generator. After some ohms law trickery and a shift of the decimal point...you...
  10. R

    pics of your coiling contraption thingy?

    Started life as a piece 1x4 whitewood scrap.
  11. R

    Help With Determining If My Battery Is Protected Or Not

    At only 65.4 mm long...it's not protected.
  12. R

    Question about Dual Coil vs Single Coil

    So much for a useful conversation. :rolleyes: It is a far stretch to think that I told you to do something. I don't see how any reasonable person makes that connection. I have no desire for unreasonable people and ad hominem arguments.
  13. R

    Question about Dual Coil vs Single Coil

    That would be a fantastic way to stifle learning. Not to mention unneeded additional work on my part. I do not assume that the reader is intellectually inept based on thier post count. I also don't tailor my posts to an individual poster as I know for every question that gets asked there are...
  14. R

    18650 battery question

    A little [very] technical reading on the topic. Understanding Boost Power Stages in Switchmode Power Supplies The people at ProVape are correct...Our batteries can be subject to VERY high amp loads due to current pulses of a boost converter. How much current depends on too many variables...
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    Question about Dual Coil vs Single Coil

    I believe the word that you are looking for is principle; "In principle, except in practice..." The basic laws of electromagnetism have been around for some time now. The theories have long passed. The problem here is that no one has drawn a line between the electrical side and the...
  16. R

    Micro Coils to increase Vapor, flavor & TH

    The juice is a DIY using Wizard Labs Nic/PG/VG and TFA flavors; 60/40 PG/VG @ 5mg. Coil is .6Ω of 26G Kanthal. I haven't bought commercial juice in almost a year so I don't have anything to compare "cleanliness". Spacing the coils ever so slightly helped with the maintenance interval, but...
  17. R

    Micro Coils to increase Vapor, flavor & TH

    So I've ventured over to the micro-coil club. Took some work to get things right with the IGO-L's; mostly wicking problems until switching from crochet yarn to sterile cotton. Now things are rocking...mostly. I've been getting 1 days use out of a coil before having to dry burn and re-wick...
  18. R

    more questions on mech/ kick/ parallel & series circuit question on rda

    While it is technically correct that increasing temp means increased resistance, with Kanthal it is only ~1%, Nichrome only ~2-4%, at the temperatures that we vape at (VG boils @ 290 °C, 554 °F). So practically speaking, temperature has no effect on energy consumption or amperage...
  19. R

    LEGO Micro Coil Jig

    Wood works ;)
  20. R

    **Sub-Ohm Vaping** Discussion, Safety, Battery Info, & Warnings

    I have the same no contact issue with my 20R's and WP2 II. I just lift the negative end of the battery slightly to angle the positive end into the contact. Though, there is nothing wrong with using a neo mag either. The nickel plating makes for a good conductor.
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