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  1. BigEgo

    Is temperature control worth it?

    Tell me what exactly is your definition of "measuring temperature." Just because something is not using a thermocouple doesn't mean it is not measuring temperature. Do you know how a thermocouple works? It works by using two metal wires welded together that measure voltage changes at the...
  2. BigEgo

    Is temperature control worth it?

    Nah. That is only the case on a mech mod where there is no DC-DC switched mode converter. Resistance of the coil has no bearing on watts (power). On a regulated mod, a .01Ω coil @ 40 watts will drain your battery at the same rate as a 2Ω coil at 40 watts. As is sometimes said, "watts...
  3. BigEgo

    Is temperature control worth it?

    Why do Ohms matter? All that matters is the quality of the vape, of which ohms have no bearing. Ohms only matter on mech mods.
  4. BigEgo

    Titanium wire, vaping and safety

    Most Swedes and Norwegians are just as fluent in English as they are their mother tongue.
  5. BigEgo

    Titanium wire, vaping and safety

    Speaking of that, has anyone here tried the "VaporTech" Ti wire? You can find it at most of the Chinese sites like FT and Angelcigs. Just wondering if its matte or shiny and what the quality is.
  6. BigEgo

    it only costs $60 to test for D/AP

    There's a few plausible explanations. This scientific paper covers most of them.
  7. BigEgo

    it only costs $60 to test for D/AP

    I see no credentials of the lab on that site. Personally, I would only use an accredited lab. I am pretty sure Enthalpy is accredited for nicotine and tobacco analysis. Other labs that are frequently used for ejuice (Mills) also are accredited. Those labs typically charge a couple hundred...
  8. BigEgo

    Titanium wire, vaping and safety

    If you're building for the STM, get 26 gauge.
  9. BigEgo

    Titanium wire, vaping and safety

    I was talking about the RBA deck, btw. I've never used pre-built coils.
  10. BigEgo

    Titanium wire, vaping and safety

    I've found the default setting (5mm) on steam engine to be pretty close to what my coils actually ohm out at.
  11. BigEgo

    TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance

    Yes, I thought the resistance could be a problem. It seems a better option would be a tungsten alloy of some sort. Also, light bulbs are sealed with argon in order to keep the filament from being exposed to a potentially corrosive oxidating environment. This tells me that Tungsten may have...
  12. BigEgo

    Titanium wire, vaping and safety

    I bet that took some work. Nice job.
  13. BigEgo

    TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance

    I really would like to test Tungsten out. It has the highest melting point of any pure metal (3422 °C, 6192 °F), is one of the hardest metals, and has the highest tensile strength of any pure metal. Its TCR is .0045, which is slightly better than Ti. It is biologically inert and appears to...
  14. BigEgo

    Coil Material Questions for Newbie TC Guy

    None of the above. It is 316 stainless steel (or maybe 304 -- but definitely SS). SS is similar to kanthal except SS uses nickel in place of kanthal's aluminum. The temp is a preference, but I prefer about 430-450°F for a 70VG liquid. The idea is to start lower and work up right until you...
  15. BigEgo

    Need TC help!

    Try a TCR of .0054 (if it will allow that). Also, you have to let the coil itself cool to room temperature (a good 5 minutes should do the trick) before you put it on the mod. That way the mod will be able to read the proper base resistance. If you put a warm coil on there and the mod reads...
  16. BigEgo

    IPV D2

    I wouldn't say "most." In fact, it was unheard of until Evolv did it and then Yihi followed with the SX350. Even now, months later, it isn't common except in high-end devices. Do any of Yihi's chips other than the SX350 have true buck circuitry?
  17. BigEgo

    New tank launch by UD

    Looks like a clone of the Aromamizer.
  18. BigEgo

    IPV D2 announced.

    I was just going by the spec sheets listed by some industrial sources like this. But that's probably for theoretically pure Ti. Even our CP Grade 1 isn't 100% pure, so its TCR might differ slightly.
  19. BigEgo

    Titanium wire

    You should only use Grade 1 Commercially Pure Titanium. 24 and 26 gauge is what most people run (26ga for single coils). I bought mine from here. There are a few other places that carry it too, like here.
  20. BigEgo

    IPV D2 announced.

    Base (locked) resistance TCR of Ti = .0038 TCR of Ni = .006 So let's say you have a .2Ω Ti coil set to 450°F (232°C). Let's assume room temp is 68°F (20°C). First you need to find out how much the temperature of a (room temp) coil changes when it hits your max temp. In this case...