King Mech Mod - Clone

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minimalsaint

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I've never been into sub ohm, nor will i get into it. I have a 1.8ohm micro coil with cotton wick in my protank right now, and a 1.5ohm micro coil in my rebuildable.

My question was in the mere calculations.
If i were to make a quad coil id shoot for .8 ohms.

Understood. My limited knowledge of multiple coils seems to think that each coil added effectively halves the resistance. So I'm thinking .8 quad = 4 - .2 ohm coils? Yeow. You could cook a roast with that kinda heat.
 

sawlight

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So, speaking from a decent bit of research and user experience. The best way to go about sub ohm(which many respected folks in the vaping community say is always bad), is probably more of a graduated approach. I would suggest against just grabbing a 20 amp battery and throwing a quad coil .25 ohm set up in something. Regardless of the math or what people say will work, it is dangerous and can either blow up your gear or your face.

I liken it to a mechanic. Sure, I can read a book on how to do things under the hood, but the lack of experience and knowing what means something is going wrong is still there. Whatever your lowest ohms are now, why not just drop to 1.5 or 1 ohm, see how you like it, then maybe go to .8 ohms etc. Grabbing your first unregulated tube and trying to throw a quad coil in it just seems unnecessary.

"It ain't right, but it'll work!"

"Hey ya'll, hold my beer and watch this!"

"What could go wrong?"

"What? Me worry?"

"It might last six minuets or six months, but it's working now!"

"You want it right, or right now?"

"The hurrier you want it, the worser you'll get it!"

Yeah, I'll stop.
 

mgmixology

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Understood. My limited knowledge of multiple coils seems to think that each coil added effectively halves the resistance. So I'm thinking .8 quad = 4 - .2 ohm coils? Yeow. You could cook a roast with that kinda heat.
well if (2) 1 ohm coils makes a .5
(4) 1 ohm coils would make .25
(4) 3.2 ohm coils should make .8
(4) .2ohm coils should make .05 which indeed shall cook a roast. :O
correct me if im wrong coil experts. I could have this all ... backwards. Which is why i have approx 2 weeks to figure it out. I learn quick :p
 
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mgmixology

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this is what jiggles my brain a bit.
With 3.3volts being the lowest setting for the itaste. and a 3.5amp max
3.3v - .09 ohm = 3.6 amps....which still seemed to fire on my itaste ( Mistake of course...first time doing a micro coil with flat ribbon wire)
now being frisky francis i took it all the way up to 4volts...on camera incase my face blew across the street into the neighbors yard. :p
4v - .09ohm = 4.4amps. I dont recommend anyone doing this.
so exactly how "regulated" "safe" is my itaste. I have not a clue. :facepalm:

http://www.innokin.com/iTaste_VV_V3_0_User_Manual_392.html
 

K_Tech

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this is what jiggles my brain a bit.
With 3.3volts being the lowest setting for the itaste. and a 3.5amp max
3.3v - .09 ohm = 3.6 amps....which still seemed to fire on my itaste ( Mistake of course...first time doing a micro coil with flat ribbon wire)
now being frisky francis i took it all the way up to 4volts...on camera incase my face blew across the street into the neighbors yard. :p
4v - .09ohm = 4.4amps. I dont recommend anyone doing this.
so exactly how "regulated" "safe" is my itaste. I have not a clue. :facepalm:

iTaste VV V3.0 User Manual - Best Electronic Cigarette | E Cigarette Manufacturer| Innokin

I'm not sure about the electronics package in the iTaste, but from what I've seen in other devices (like some DC power supplies, for example) the circuitry will automatically clamp the output to keep it within its stated limits, regardless of where you have the device set.

Just guessing, it probably started at 4 volts for a millisecond or two, but once it saw the current go up to the max, it started lowering its output voltage to drop current below its stated max of 3.5 amps.

It would be interesting to do that on an oscilloscope to see what happens when you try something like that!
 

mgjohn

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The lower the resistance in your atty the more amps that are drawn out of the battery. If your battery can't supply the amps needed then it starts getting hot and potentially dangerous. A 4.2V fully charged battery with a 0.2ohm coil will draw 21Amps. This 30amp battery will have you covered!

I (Amps) = Voltage/Resistance

*Please research sub-ohming before even trying to attempt this low of a resistance*

Very much agree to research before trying, But...

Just some clarification, voltage is the pressure/potential that pushes the current and this pressure and current together will flow to extraordinary/explosive levels if not resisted. In the case of sub-ohm resistance, it is very small...so current will rise and utilize as much voltage as is available.

Now heat is the result of current and voltage together (measured as power/watts) being dissipated with resistance. Its how all circuits with loads work.

The way PV's manage this dissipation of heat is to regulate the circuit parameters (voltage, power) leaving ohms/resistance/coils as the variable

When modders apply high current batteries and use low/sub ohm coils they drive the power applied to very high levels and the heat dissipation will be applied either in a safe/controlled way (heavy duty equipment) or in an unsafe way (explosions/arcing short circuits)

I'm just saying.....be careful

MGJohn
 
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mgmixology

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I've been wanting to purchase the king clone too.

To OP, I suggest reading up more about batteries, ohm's law, etc. before going into dual or above setups. It's not something you just jump into and expect to learn along the way. Better safe than sorry!

People say the same thing about RDA/RBA ....Theres 3 things to understand ...volts/ohms/amps..not too difficult when ur dealing with the same constant - 3.7v batteries, or 4.2 full charged.
Figuring out amps is 2nd grade division. Get batteries from reputable vendors (RTD)
The shipping speed of fasttech is more than enough time to gather the knowledge needed. Hell american shipping speed would have been enough.
My only confusion is if dual coils double the amperage or not *even when doubling amperage I will still be well within my batteries limits.
^ (2) 2 ohm coils = 1 ohm dual coil. A single 2 ohm coil at 4.2v full charge is 2.1 amps..double that, you get 4.2.
18650 2000mah IMR 10a cdr ( RTD ) should be plenty safe even if amperage is doubled.

anyways just confused not having the device on hand if i need flat top or nipple top batteries >.<
 

Dark passenger

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My brass version of this mod from fasttech should be here any day now...left san fran yesterday morning...i build coils and use an igo-w with a mortalizer style top cap from capitallvapes which is so cool...i have aw imr 18650s and mnke imr 18650s and i def like the mnke batteries more for sub ohms and esp for quad coils...
 

mgmixology

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Havoc, If I had a better camera I would have a rebuild tutorial, but I use my webcam and its .......supposed to be "HD" Stupid vaio...
BUT, what I can tell you is micro coils with cotton wick is easier then youd ever imagine. I use a blunt needle tip from wizard labs and make 5 wraps with 32 guage kanthal...get 1.8ohm micro coil everytime.
*edit - I need some tweasers and a nice torch though...to really tighten the coils up...i have a butane torch lighter that sucks...and i use needle nose pliers..
dark passenger - I have 2 of the 30a efest coming in the mail should arrive same time as my king, as my king also left san fran yesterday morning. 30a efest are hard to find but 101vapes had them on sale in stock o_O ...
 
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