Let's Talk Hardware

[Voltron]

Hey guys. First of all, Happy Birthday, General! Today should be an ECF holiday.

Okay, so I tried building my first microcoils last night, and it was a huge PITA. It took me 4 tries to get the coils right, since the negative post on the Mini Bully is kinda loose and when I tried tightening the screw it moved the wire around, snapping it a couple of times. Eventually, I completed 10 wraps of 30 kanthal on a toothpick, but it read 2.4 ohm, which is too high for me. I need lower resistance for my Blue Lotus ejuice. Any suggestions?

Then there's the issue of putting the wick through the coil. It seems to me that folding the 1mm silica wick to slide it through is painfully hard for me. I did cut two separate pieces but it's just too loose of a fit. From watching several tutorials on youtube, I concluded cotton is much easier to pull trough, so I guess I will have to experiment with that. I'm concerned it will burn at high temperatures, though. I also heard about metallic mesh, which seems to be stronger than other options. Any thoughts on that?

So far, I'm starting to think rebuilding is like wearing skinny jeans. It's uncomfortable as hell to most people, but those who wear them think everyone should as well.

 

[Bronze]

Hey guys. First of all, Happy Birthday, General! Today should be an ECF holiday.

Okay, so I tried building my first microcoils last night, and it was a huge PITA. It took me 4 tries to get the coils right, since the negative post on the Mini Bully is kinda loose and when I tried tightening the screw it moved the wire around, snapping it a couple of times. Eventually, I completed 10 wraps of 30 kanthal on a toothpick, but it read 2.4 ohm, which is too high for me. I need lower resistance for my Blue Lotus ejuice. Any suggestions?

Then there's the issue of putting the wick through the coil. It seems to me that folding the 1mm silica wick to slide it through is painfully hard for me. I did cut two separate pieces but it's just too loose of a fit. From watching several tutorials on youtube, I concluded cotton is much easier to pull trough, so I guess I will have to experiment with that. I'm concerned it will burn at high temperatures, though. I also heard about metallic mesh, which seems to be stronger than other options. Any thoughts on that?

So far, I'm starting to think rebuilding is like wearing skinny jeans. It's uncomfortable as hell to most people, but those who wear them think everyone should as well.

Volt, you're fine. Don't expect to be perfect out of the starting blocks. I pulled two strands of silica through my 2.0mm coil (two strands but when pulled through resulted in four strands). It is a hard pull to be sure. You have to hang you fingernail over the edge of the coil to keep it in place. At 2.4 ohms, I'm guess you have about a 2.2+ diameter coil. Find something a little smaller to wrap on (get that 5/64ths drill bit). Cotton is easier to pul through. You can adjust the amount you use.

Hang in there. You're hardly the first one who screwed up their first builds.

 

[Voltron]

What specific built would you suggest if I'm shooting for a 1.5 to1.7ohm coil?

 

[Bronze]

What specific built would you suggest if I'm shooting for a 1.5 to1.7ohm coil?

I would do a 28gauge wire, 10 wraps at 2.0mm ID for 1.5 ohms. If you're using 30 gauge, you'll have to go 7 or 8 wraps maximum. But get that 5/64ths drill bit so you stabilize one of the variables. I know San Juan has hardware stores.

 

[Voltron]

I would do a 28gauge wire, 10 wraps at 2.0mm ID for 1.5 ohms. If you're using 30 gauge, you'll have to go 7 or 8 wraps maximum. But get that 5/64ths drill bit so you stabilize one of the variables. I know San Juan has hardware stores.

Okay, smartass. I'm gonna go buy it right now.

 

[Bronze]

Okay, smartass. I'm gonna go buy it right now.

LOL!!! Way to go Volt!

 

[Voltron]

Damn, the hardware stores near me closed at 7pm. I'll go tomorrow morning then.

Now I'm starting to understand this whole thing. It's much simpler than you guys make it sound (gosh I miss GT!). It really doesn't matter if i use the toothpick or drill bit. The more wraps, the higher overall ohm's. I'll just do less wraps until I reach my desired range. Then I'll use cotton, which is so much easier pull through than silica. Since I have to replace wicks constantly, the easier the better. BTW, I have a bunch of organic cotton balls here (the beauty kind), so I'll just get down to it. I'll report back when I inevitably run into further problems.

 

[Bronze]

Damn, the hardware stores near me closed at 7pm. I'll go tomorrow morning then.

Now I'm starting to understand this whole thing. It's much simpler than you guys make it sound (gosh I miss GT!). It really doesn't matter if i use the toothpick or drill bit. The more wraps, the higher overall ohm's. I'll just do less wraps until I reach my desired range. Then I'll use cotton, which is so much easier pull through than silica. Since I have to replace wicks constantly, the easier the better. BTW, I have a bunch of organic cotton balls here (the beauty kind), so I'll just get down to it. I'll report back when I inevitably run into further problems.

Volt, the more wire you use of a given gauge, the more resistance there will be. The opposite is also true. So if you have more wraps or larger diameter wraps you will get more resistance (ohms).

 

[retic1959]

Hey guys. First of all, Happy Birthday, General! Today should be an ECF holiday. Okay, so I tried building my first microcoils last night, and it was a huge PITA. It took me 4 tries to get the coils right, since the negative post on the Mini Bully is kinda loose and when I tried tightening the screw it moved the wire around, snapping it a couple of times. Eventually, I completed 10 wraps of 30 kanthal on a toothpick, but it read 2.4 ohm, which is too high for me. I need lower resistance for my Blue Lotus ejuice. Any suggestions? Then there's the issue of putting the wick through the coil. It seems to me that folding the 1mm silica wick to slide it through is painfully hard for me. I did cut two separate pieces but it's just too loose of a fit. From watching several tutorials on youtube, I concluded cotton is much easier to pull trough, so I guess I will have to experiment with that. I'm concerned it will burn at high temperatures, though. I also heard about metallic mesh, which seems to be stronger than other options. Any thoughts on that? So far, I'm starting to think rebuilding is like wearing skinny jeans. It's uncomfortable as hell to most people, but those who wear them think everyone should as well.

LOL it does get easier with practice , it's also easier if you have some form of magnification to help you see what you're doing , the cotton is a good idea but don't even think about mesh unless you're a masochist , it's a real PITA , main thing is relax and don't rush it , you'll get it .

 

[76bridget]

If 30g is all you have, do 6 wraps.. that should get you around 1.5-1.6 ohms on a 2mm drill bit. (I only use 30g)

 

[Bronze]

If 30g is all you have, do 6 wraps.. that should get you around 1.5-1.6 ohms on a 2mm drill bit. (I only use 30g)

The only thing there is you start really losing area. Area is important to make vapor. He'd be better going to a thicker gauge with more wraps.

 

[Voltron]

If 30g is all you have, do 6 wraps.. that should get you around 1.5-1.6 ohms on a 2mm drill bit. (I only use 30g)

Just did 6 wraps of 30g on a toothpick and got a reading of 1.5ohm's. TYVM.

 

[DavidOH]

The only thing there is you start really losing area. Area is important to make vapor. He'd be better going to a thicker gauge with more wraps.

Think I'll stay quite about ribbon wire. Don't want to confuse anyone.

 

[retic1959]

Think I'll stay quite about ribbon wire. Don't want to confuse anyone.

Yup , never know whether you got that stuff inside out or not .

 

[Bunnykiller]

Yup , never know whether you got that stuff inside out or not .

you got that right.... and if it is inside out then that means the electron flow is in the wrong direction too

anddd... what about right or left handed wrapping?? no wonder why I didnt go for ribbon... too many ways to get it wrong..

 

[Voltron]

Hello everyone. It seems cotton is perfect for my Lotus juice. Very simple to rewick and highly absorbent. I had to vape it at 4.8 volts, and 1.5ohms. I still don't fully understand the difference between wire sizes. Would six wraps of 28g (instead of 30g) on the same toothpick give me a lower or higher reading? I want to go as low as possible in order to extend my batteries' life.

 

[Bunnykiller]

http://www.e-cigarette-forum.com/forum/heathers-heavenly-vapes/579454-excel-coil-calculator.html

go here to see how coils behave.. download the file ( its safe its stored on ECF) open it up in excel

 

[Bunnykiller]

the thinner the wire ( higher the ga) the more resistance it has per length as compared to a fatter wire ( lower ga.)

for example a 6 wrap 30 ga coil has more resistance than a 28ga 6 wrap coil of the same dia. so if you want a lower ga. coil to equal the same as a higher ga coil ohms wise you will need more wraps of the lower ga wire...

 

[Bunnykiller]

actually going lower drains the battery faster

the higher the resistance, less electrons flow thru the coil thus using less of the energy the battery has.

kinda like having 60 PSI of water pressure and only 5 gallons of water and a thin hose... might take a minute to drain the 5 gallon bucket.... but if you have the same pressure and 5 gallons and put a 3" hose on it the bucket will drain in seconds

the thin hose is a high resistance coil, the 3" hose is a low resistance coil

 

[rdsok]

I'll say it another way.... the more amperage you use, the faster you drain your battery.

Amperage is figured by dividing the voltage by the resistance.... the lower the resistance number, the higher the amperage will be...

4.2v / 2 ohms = 2.1 amps

4.2v / 1 ohm = 4.2 amps