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  1. State O' Flux

    Help understanding ohms

    Hi ya', Vatic... It's a common misconception that thicker wire, for a given resistance and wattage, will increase the coil radiant temperature (so many "rules" to keep track of, yes?)... but in fact, the opposite is true. When you increase surface area via thicker wire for a given resistance...
  2. State O' Flux

    Will my Efest IMR 2500mah battery work for a 0.25ohm RDA build?

    You should be fine. With a certain 20A MCCD, you have still a 3.2 amp cushion at 4.2V... and that doesn't take into account a modestly calculated pulse discharge, at a higher amperage value, within 'X' time. You can increase the resistance slightly by making the legs as long as reasonably...
  3. State O' Flux

    Help understanding ohms

    According to the manufacturer, the minimum resistance, "self-preservation" circuit for your APV is 0.2Ω. At .24Ω with 24 gauge (Kanthal I assume) at 80 watts, the heat flux is a very warm 368 mW/mm², and the surface area per coil is 100.69 mm². (heat flux is a value of coil radiant heat) You...
  4. State O' Flux

    This Tool...

    I have a set, and loan them out to those that don't have anything... but my main coil tools these days are an authentic set of Kuro Koilers by Kuro Concepts. The originals are not cheap, but they are premium quality... just like everything Jon makes. If you're on a budget, there are clones...
  5. State O' Flux

    Coil under electron microscope

    For coils used with "coil gunk" creating juices, where in an RDA you have to re-wick every day or two... I use a very fine bronze bristle brush, for just that reason... to remove contaminates that dry burning alone - or the habit that some have of running a hot coil under cold water - have no...
  6. State O' Flux

    Regulated devices and resistances

    There is no "good resistance", only what you're knowledgeable, skilled and safe enough to build to. The thicker the wire used (typically to obtain sub-ohm resistances) the more wire net surface area you have. The more wire surface area, assuming you have the wattage to support it in parity or...
  7. State O' Flux

    Twist pitch

    That's probably because you're comparing two strands wrapped into a single coil assembly, where the wrap of each strand is spaced by the wrap of the other strand... and two wrapped individually for conventional dual parallel coils. As a proof of this, if you run a two-wire single coil with a...
  8. State O' Flux

    Twist pitch

    Yes... and a bit more than just "yes" ... because the granddaughter is sick, and I'm up anyway. First, remember that wire gauge and length are the sole factors that determine resistance, and that Kanthal A-1 wire electrically self-insulates with an aluminum oxide surface layer. I mention this...
  9. State O' Flux

    Twist pitch

    You don't... not without measuring it. If you have a ruler that runs down to 1/16", or better 1/32"... just convert metric to inch, or set the default to inch and convert decimal inch to fractional inch.
  10. State O' Flux

    Using steam engine...

    If your box mod is dual 26650 in parallel, the amperage potential effectively doubles. For the latter comment, yes, at 0.2Ω you need to know what you're doing, and you need a accurate Ohm meter/build box. Speaking of accuracy... USA Ohm Meters recently came out with the handy "Fire Meter". Not...
  11. State O' Flux

    Amount of "loops" in a coil

    Resistance is based on wire gauge and strand length. The wrap count is a side effect of producing a coil on a mandrel of 'X' size. In other words, two coils of identical resistance can have a differing wrap count if one is made on a 2mm mandrel, the other on a 3mm mandrel. Disregarding current...
  12. State O' Flux

    Calculating Battery Discharge Time

    I take it you missed my sigline. ;)
  13. State O' Flux

    IVDs (improvised vaping devices) Any designs out there?

    This... and... Hardware store, copper plumbing pipe mod.
  14. State O' Flux

    Calculating Battery Discharge Time

    Although I presently use only tube mechs... there's much be said for a dual 18650 reg. mod. Aside from battery life, there's the option of going beyond Ohm's law parity, and "forcing" wattage on a build that may not be optimal for the limitations of good ol' V² ÷ Ω = P and V ÷ Ω = C. Some day...
  15. State O' Flux

    Calculating Battery Discharge Time

    I don't know about anyone else... but I tend to use 3.8-4.0V, when running wattage/amperage calculations... the value is somewhat conditional, with battery brand, MCCD and age dependancy.
  16. State O' Flux

    Looking for a mod, but am having issues.

    There's the 35 watt Vamo "e-Huge"... 153mm long and weighs 10 ounces without a battery. $52 from Fasttech.
  17. State O' Flux

    RDA Differences in rdas

    No problem, lintz... You could use one length of wire to make two coils in parallel after the fact... but it's easier to manipulate wire (at least for me) and make two nice coils with a fixture, like a Kuro Coiler, than trying to wrap them in the atty. With some attys, where there's a stud and...
  18. State O' Flux

    RDA Differences in rdas

    Just a few of the things I consider, when RDA shopping... PEEK positive post insulation (spare parts, replaceable parts availability) alternate materials for the center post (SS, brass, copper - depending on your needs and views) post thru holes for wire, or wire wraps around screw shank (the...
  19. State O' Flux

    Looking for a regulated recessed atty mod.

    Have a look at the Vape Tools DNA40 "Railbox".
  20. State O' Flux

    RDA Best RDA clone?

    So... get the Velocity clone. Buy it, use it and abuse it. If it's as great a performer as it appears it might be... and the clone is well made, you're done. If the performance is good, but the quality of materials and manufacture leave something to be desired... buy the authentic. It's what I...
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