Technique I’ve been doing with regulated builds,

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Joe Vito

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Hey guys. So after much confusion on what wattage I should be vaping at with my builds, I have come across this technique. Now I know the math is different comparing mechs to regulated, so wanted to see if this makes sense to you guys. Basically what I’m doing to figure out what I’ll vape at, is my typical ohms law. So let’s say I have a .30 build...If I’m using a mech on a freshly charged 18650, that’s going to be pushing just about 59 watts...and abracadabra, I now set my regulated to 59 watts. Thoughts?
 

bombastinator

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Gonna run your battery down pretty quick but it will work. If I want a single battery mod to last awhile I generally go no higher than 30 or 40. Usually lower. The coil I have in my current is a .35-.38ohm (it’s getting a bit old and probably needs to be changed) 5 wrap 22ga kanthal @3.5mm and the highest I can go with it without burning up a wick in a day is 25w
 

Joe Vito

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Gonna run your battery down pretty quick but it will work. If I want a single battery mod to last awhile I generally go no higher than 30 or 40. Usually lower. The coil I have in my current is a .35-.38ohm (it’s getting a bit old and probably needs to be changed) 5 wrap 22ga kanthal @3.5mm and the highest I can go with it without burning up a wick in a day is 25w
I forgot to mention I’m using a dual 18650. The batteries go in series (if that makes a difference)
 
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bombastinator

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I forgot to mention I’m using a dual 18650. The batteries go in series (if that makes a difference)
Totally does. It works up the math though. I’ve never used a two battery series mech so I’ve never worked through the math for them. I’m afraid my advice is useless here.
 
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Joe Vito

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Totally does. It works up the math though. I’ve never used a two battery series mech so I’ve never worked through the math for them. I’m afraid my advice is useless here.
From my understanding I don’t believe it changes the wattage at all, so I would think it would be irrelevant.
 
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AzPlumber

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Yes, the regulator will provide 4.2 volts to your .3 coil to get your 59 watts. This won't be the same as your mechanical because the regulator will maintain 4.2 volts and your mechanical will have voltage sag (lower voltage to the coil). Due to the low resistance load the battery can't provide 4.2 volts to the coil even at a full charge.
 

jersey_emt

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From my understanding I don’t believe it changes the wattage at all, so I would think it would be irrelevant.

A two-cell series mechanical mod provides 8.4 volts on a fully-charged battery. Wattage is quadrupled – a 0.3 ohm coil on a series mech mod runs at 235 watts.

But as to the original topic, your suggestion does work, but only in a very general sense and only as a starting point. I can make a 0.3 ohm build that will work great at 60 watts. But I can also make a 0.3 ohm build that needs 120 watts, and another 0.3 ohm build that only needs 30 watts.
 

Joe Vito

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A two-cell series mechanical mod provides 8.4 volts on a fully-charged battery. Wattage is quadrupled – a 0.3 ohm coil on a series mech mod runs at 235 watts.

But as to the original topic, your suggestion does work, but only in a very general sense and only as a starting point. I can make a 0.3 ohm build that will work great at 60 watts. But I can also make a 0.3 ohm build that needs 120 watts, and another 0.3 ohm build that only needs 30 watts.
But if your using a single battery freshly charged on a mech, it’s going to give you 60 watts...so how do you know which 0.3 to use?
 
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untar

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how do you know which 0.3 to use?
mass/surface = high -> high power
mass/surface = low -> less power
Your build will be somewhere on that low to high scale and you'll need to set your power accordingly in order for it to heat up quickly and to not burn your cotton. For builds on a mech it's a little bit more tricky because you set the power itself with your build.
How to do it is based on experience, we don't have a "take x gram of y material" formula (yet).
 
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