Approved NT Device Advice
- Thread starter baltoace
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So 1 ohm coil on Woodvil or grand no taste and a .5 ohm coil on grand = taste
Try a .7 ohm coil on the Woodvil and see if some of the flavor comes back.
The Woodvil has two electrical switches both rated at 12v continuous use. the on/off on the bottom is a 3amp switch and fire button is a 5 amp switch. We fire at a max of 4.2 volts for short duration.
3 amps at 12 volts is 36 watts.
36 watts at 4.2 volts is .49 ohms
A .5 ohm coil does not give any safety margin thus why I suggest .7 ohm coil.
You can also put a drop of solder over the contacts on the on/off switch, this will remove it from the electrical path and then your weak link becomes the 5 amp switch.
Also the old style silver spring will have a higher voltage drop than a grand with new gold plated beryllium copper contacts. Replacing the older spring in a Woodvil with the new gold spring will lower the voltage drop. Simply put a new spring and same coil will hit harder.
Try a .7 ohm coil on the Woodvil and see if some of the flavor comes back.
The Woodvil has two electrical switches both rated at 12v continuous use. the on/off on the bottom is a 3amp switch and fire button is a 5 amp switch. We fire at a max of 4.2 volts for short duration.
3 amps at 12 volts is 36 watts.
36 watts at 4.2 volts is .49 ohms
A .5 ohm coil does not give any safety margin thus why I suggest .7 ohm coil.
You can also put a drop of solder over the contacts on the on/off switch, this will remove it from the electrical path and then your weak link becomes the 5 amp switch.
Also the old style silver spring will have a higher voltage drop than a grand with new gold plated beryllium copper contacts. Replacing the older spring in a Woodvil with the new gold spring will lower the voltage drop. Simply put a new spring and same coil will hit harder.
I've been using a nice app I found for my coils and it's drastically improved my flavor! It's available for iPhone. It's called MicroCoilPro on the app store. It cost me $4.99 but was totally worth it in my opinion. I'm not affiliated with them at all, I just saw a youtuber talking about it and gave it a try and really liked it.
The app not only shows ohms, amps, and watts, but it also shows the heat factor (W/mm2) which I think is the biggest way to find the sweet spot of a coil.
By plugging in your info (1/16, 28 gauge Kanthal, and 8 wraps) it shows your heat factor at .31 W/mm2 which is in the orange at 4.2 volts (Medium taste, medium vapor, and slow responsiveness). Your build does, however, go into the green (Dense vapor, Taste in the sweet spot, and swift responsiveness) after the battery volts drop off a bit.
By adding an additional coil (9 wraps), the heat factor goes to .25 W/mm2 which is in the green between 3.7-4.2 volts. You would be around 1.11 ohms at 9 wraps. Try that and see if it helps. I don't know much of the science behind all of this, I just plug in the numbers and go by what it tells me. I hope it helps you. Let me know!
The app not only shows ohms, amps, and watts, but it also shows the heat factor (W/mm2) which I think is the biggest way to find the sweet spot of a coil.
By plugging in your info (1/16, 28 gauge Kanthal, and 8 wraps) it shows your heat factor at .31 W/mm2 which is in the orange at 4.2 volts (Medium taste, medium vapor, and slow responsiveness). Your build does, however, go into the green (Dense vapor, Taste in the sweet spot, and swift responsiveness) after the battery volts drop off a bit.
By adding an additional coil (9 wraps), the heat factor goes to .25 W/mm2 which is in the green between 3.7-4.2 volts. You would be around 1.11 ohms at 9 wraps. Try that and see if it helps. I don't know much of the science behind all of this, I just plug in the numbers and go by what it tells me. I hope it helps you. Let me know!
....
A little news for ya....This is also available for the Android through the Play Store app.....
New kid on the block....
Dressed for a night on the town.....
Dready'd and ready to get down....
Dressed for a night on the town.....
Dready'd and ready to get down....
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