i have been vaping on mech mods for a couple years and enjoy it. I recently received a Nasy box mod, triple 21700 using 30t’s and running in series. I’m really confused as what build to throw on it. Max down to .40 which I’m not looking at. I’ve tried a couple 26 and 24ga kanthal 13 to 16 wrap on 3mm. Built from .50 to .75 juice is still burning before leaving coil. Looking for a good warm vape. Any thoughts?????
Coil help
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I cannot find details on the mod but I'm assuming it's unregulated. Three batteries in series is 12.6 volts, at 0.7 ohms that's 226 watts and at 0.5 oms 317 watts.
By most peoples standards that is an enormous amount of power. You bought a very powerful mod, that appears to be too powerful...
You just need to use higher resistance coils to bring the wattage down to a level that works for you. Remember high power levels will need sufficiently efficient wicking, and an appropriately large amount of airflow to match.
You could try using a thinner wire like 28G, I personally find it too thin to be practical.
I modeled the following dual coil setup that results in a theoretical 132 watts, give that a try and if its still too hot then add more wraps.
Coil wrapping | Steam Engine | free vaping calculators
By most peoples standards that is an enormous amount of power. You bought a very powerful mod, that appears to be too powerful...
You just need to use higher resistance coils to bring the wattage down to a level that works for you. Remember high power levels will need sufficiently efficient wicking, and an appropriately large amount of airflow to match.
You could try using a thinner wire like 28G, I personally find it too thin to be practical.
I modeled the following dual coil setup that results in a theoretical 132 watts, give that a try and if its still too hot then add more wraps.
Coil wrapping | Steam Engine | free vaping calculators
A 3S mech? 
I guess the good part of this would be: If he comes up with a build that works well, he never need to worry about future availability if li-ion cells. He can just use a car battery instead.
I guess the good part of this would be: If he comes up with a build that works well, he never need to worry about future availability if li-ion cells. He can just use a car battery instead.
I still wonder why mechs are so attractive to some, when regulated mods can fill the bill more safely.
Specs say that it can be configured for series and parallel and apparently does pulse width modulation.
https://www.modzbynasy.com/product/triple-21700-nasy
Specs say that it can be configured for series and parallel and apparently does pulse width modulation.
https://www.modzbynasy.com/product/triple-21700-nasy
In all my series builds I use 4mm id on my coils. You might even try using 4.5mm id or 5mm id. At .75 ohms that's still 211 watts.
Series mods like higher resistance (I wouldn't dip below 0.6 ohms) and beefy, textured coils.
I can't speak for anyone else, but for me, it's very simple: They do not fail in mysterious ways. E.g. I've never had a mech insist on running more power (or a higher temperature) than I want because it believe the UP button was stuck (when in fact it wasn't). A quality mech is something that will last a lifetime. The downside is there's a bit of maintenance involved (keeping contacts clean) and there's the question of safety.
I agree that mechs are solid devices, but still have the necessity for an experienced user who understands enough technical theory and has sufficient lithium battery savvy to stay out of trouble with borderline builds and potential short conditions.
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