I will try a 3mm coil. I am using 28g wire with 7 wraps on a 2.5mm currently.
Attack of the (Kayfun v4) Clones!
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I will try a 3mm coil. I am using 28g wire with 7 wraps on a 2.5mm currently.
Sylpheel, I'd suggest watching Phil Busardo's video, linked earlier in this thread by KTM:
Attack of the (Kayfun v4) Clones! | Page 195 | E-Cigarette Forum
Phil's an expert on Kayfuns and he explains things very well. I'd follow his build recommendations--at least for starters.
I believe he's making a 2.25 mm coil. IMHO, 2-2.4 mm I.D. coil, 28-29 gauge, 1.6Ω (or so) is ideal for Kayfuns.
Good luck!
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What is your KFv4 build like- single or dual coil, coil ID, wire type/gauge, number of turns, ohms, and what are you using for wick?
I like a 3mm coil ID just fine (or 2.5mm), but there's no reason the KFv4 won't wick even w/a 1/16" ID coil- as long as the wicking is right and you match the power to the coil and juice. I use rayon, if you're not you could look into it. The tails should just touch the deck- don't poke the wick into the holes though. If this is a new atty, be sure the juice feed holes in the deck are free of machining chips. This is usually done when it's disassembled for the initial thorough cleaning but you can still probe the holes w/the atty assembled.
KFv4 wicking photo (credit to AMDTrucking):
Rayon wick, better flow, flavor, saturation and Nic Hit! | Page 500 | E-Cigarette Forum
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Im using the same wicking method I use with my Kafuns
I have coils 1/6in and 5/64ths and 3/32nds along with Japaneses cotton,yarn from walmarts and cotton balls
my wicks do touch the deck
I dont have leaks nor flooding with any of the 4 I have set up
I have coils 1/6in and 5/64ths and 3/32nds along with Japaneses cotton,yarn from walmarts and cotton balls
my wicks do touch the deck
I dont have leaks nor flooding with any of the 4 I have set up
Sound good- do check the juice feed holes in the deck (2 on each side) for debris blocking them. The feed holes in the "chimney" part (evaporation chamber, #26 on the diagram) can be checked too, but usually they're okay and aren't blocked w/anything from the factory.
I was running a 2.5mm 28g 1.3ohm single coil and I switched it out for a 3mm 26g 1 ohm coil and it is wicking perfectly so far. I've had this atty for about a month and I believe it is a HCigar one. My Tobecco one started jumping ohms and the juice control got stuck so I bought another one. I may put one more wrap on my coil next time but I am liking the vape so far with the 3mm coil.
Congratulations, Sylph!
And now on a different note. My Tobeco K4 arrived today. I managed to unscrew the top cap, yay, but that was it. That knurled nut just underneath is stuck and won't budge...
What do I do? Pliers and brute force? 
And now on a different note. My Tobeco K4 arrived today. I managed to unscrew the top cap, yay, but that was it. That knurled nut just underneath is stuck and won't budge...
What do I do? Pliers and brute force? There's flats on the nut for turning it using a tool. Use a pair of small pliers or needle nose to turn it. CCW to loosen.
BTW, simple solution for a seized JC ring- take the atty apart- when you remove #9, #8 and the ring will fall off. If the ring seizes when #9 is fully tightened- which it needs to be or the ohms will wander around- this means ring #7 is too thick. The fix: URL=https://www.e-cigarette-forum.com/forum/threads/attack-of-the-kayfun-v4-clones.634516/page-124#post-15212892
Good luck!
Good luck!
Ok, so I now have two piles: Pile 1--parts I'll probably never use; and Pile 2--parts I think I need to make the PC version. 
Bear with me. The only part I didn't take apart is the very base + building deck--don't want to mess with that spring inside... Do I need to wash the deck? If so, do I have to take the deck/base apart for cleaning?
This thing is worse than IKEA's furniture...
Bear with me. The only part I didn't take apart is the very base + building deck--don't want to mess with that spring inside... Do I need to wash the deck? If so, do I have to take the deck/base apart for cleaning?This thing is worse than IKEA's furniture...
Ok, so I now have two piles: Pile 1--parts I'll probably never use; and Pile 2--parts I think I need to make the PC version.
This thing is worse than IKEA's furniture...
You should. It's not that hard. Just turn it like you're closing the JC and it should separate. The spring is between the 2 parts.
Yes, SIr.
OK, will do. Off to wash the thing.
The video by PBsudaro referenced earlier is long but does show how to fully break down the V4 and reassemble. The first time I broke one down, I followed along with the video. Believe me, once you do it once it will be easy.
Ordered two Tobeccos from Vapor Range on Sunday and they showed up here today. Both boxes had the white dot and each one is the matte finish. For $9.95 a piece, with free shipping my only regret is that I only ordered 2
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