Attack of the (Kayfun v4) Clones!

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Juokorow

Full Member
Dec 24, 2014
26
24
Atlanta, GA
Artemus/Custom mod. certainly lied when they wrote me that my order was sent to USPS last weekend. PayPal contacted them and sent me the following one hour ago:
Seller's Name: AvComputersinc
Seller's Email: (dedacted)
Seller's Transaction ID: 1CY085542V1771xxx

Transaction Date: Jan 3, 2015
Transaction Amount: -$23.52 USD
Your Transaction ID: 3V574295RM5019xxx
Case Number: PP-003-659-459-xxx

Buyer's Transaction ID: 3V574295RM5019xxx

The seller responded to our request for shipment tracking information. We
still need to investigate and confirm this information, but we wanted to
share the seller's response with you:

Tracking Company: USPS
Tracking Number: ( dedacted)

No further action on your part is required at this time. We will continue
our investigation, and contact you with any updates.

If you received your item, you can cancel your claim. To do so, copy the
link below and paste it in a web browser window. Please follow the
instructions when the web page appears.

Upon checking, the tracking # shows that USPS received the parcel 8:50 pm 1/14, expected delivery- 1/16, although it is likely to reach me today. I will send it back and keep the reorder due next Monday from an Ebay seller. All Artemus had to do was simply tell the truth about any delay!
 
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yellowrider

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Dec 22, 2012
456
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MN
Ok for those wondering. Finally got it dialed in and few tanks through it.
Eh Pro K4 is a great choice. Got mine off ebay and was delivered in 2 days!
Eh pro did not let me down with v2 and this delivered.
I didn't bother to try fasttech as the k4 had too many parts and luck is usually not on my side.
I still like my polished russian and my v2 better but the v4 is impressive due to the ability to adjust/fine tune the atty.

The few things I would take away from this atty:
~Bit taller then previous versions
~Not 100% on the barrel design on the v4.
~Can dump whole tank if not paying attention to juice control during refill
~Flavor was intense (this can go both ways but I found out to much flavor with my current juice is not always a good thing.)

Obviously all this is subjective on the style of your vaping.
 

Viluxia

Senior Member
ECF Veteran
Feb 4, 2013
111
86
South Yorkshire, UK
Right ive had my Kayfun 4 clone for a week, in that week ive not even put a build on it as ive not been able to get rid of one niggle with the blasted thing.

Parts 1 - 510 pin, 9 counter nut are a pain in the backside, if i tighten either of them the JC is nigh on impossible to turn, if i nip them, then they work loose, if i loosen one or the other and tighten the other its ok but loosens very quickly, i cannot work out how to get a happy medium where it all feels good, no wobbles, or an odd sensation of when you start to turn the JC there some slack and you hear the metal click (almost like something is off by a mm or 2, but what no idea.)
Noticed dwcraig1 has mentioned these 2 partsm and a shim but no idea where to stick one or what to make it out of.

I wonder if the genuine has this issue and if buying all the spare kits for the genuine 1,2,3 would solve these issues.
 

dwcraig1

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Mar 17, 2012
9,013
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Imperial Beach, California
Right ive had my Kayfun 4 clone for a week, in that week ive not even put a build on it as ive not been able to get rid of one niggle with the blasted thing.

Parts 1 - 510 pin, 9 counter nut are a pain in the backside, if i tighten either of them the JC is nigh on impossible to turn, if i nip them, then they work loose, if i loosen one or the other and tighten the other its ok but loosens very quickly, i cannot work out how to get a happy medium where it all feels good, no wobbles, or an odd sensation of when you start to turn the JC there some slack and you hear the metal click (almost like something is off by a mm or 2, but what no idea.)
Noticed dwcraig1 has mentioned these 2 partsm and a shim but no idea where to stick one or what to make it out of.

I wonder if the genuine has this issue and if buying all the spare kits for the genuine 1,2,3 would solve these issues.
The original doesn't have this clearance problem nor would it's kits help out.
The shim needs to be about 10 mil thick, I've been making mine from 9 mil stainless steel.
It sits in the square hole of part #3, part #8 on the other side. Could be 9 -10 mil is not enough, in that case ring #7 can be thinned down a bit to gain some more clearance.
explosion-kfv45482dcf3ea895_720x600.png

If you can see it here, red arrow
shim location.jpg
 
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nelsonm64

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Apr 27, 2013
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Kelowna, B.C.
To gain enough clearance in part "A" when screw #9 is tightened, otherwise liquid control doesn't turn.

ohok, thx bud. I don't have that issue, my juice valve works great. i just need to get the leaking under control... might have it fixed though (crosses fingers)
 

The.Drifter

Ultra Member
ECF Veteran
Nov 20, 2013
1,673
13,340
Virginia
Got my Robbot Kayfun4 in yesterday from Focalcig ;)

First impression is WOW! I can believe that this was less that $30. The machining on my version is pretty good. I very pleased with this for the price point.

f9rxrbfyo7oey1j6g.jpg


Came in pretty clean, but I disassembled all the parts for a good cleanout anyways.

Had a chance to play around with some of the different tank options, like having all the choices in one box.

Shot of it on my Robbot ZNA with the full SS tank section:
222l30p5v5dvz6b6g.jpg


One this the Glass Mid section:
yj6zgz1u0et54ly6g.jpg


And here is my favorite setup, full clear tank:
8c1g19z4irg9lh46g.jpg


Built a 1 ohm coil with 26G, not the best choice for wire in this device, wire is way too thick to be grabbed by the little deck screws, but I finally managed to get it in. I think 30, or 32 G wire will work better on my next build.

Little learning curve with the juice control, managed to leak out 3 mil due to my ignorance with this KF4, but I think I finally figured it out. Vape quality isnt bad, on par with the older versions of the Kayfuns. Pretty decent flavor too. So Im pleased with it for now ;)

Rocking it on my Sigeli 100W+ today here at work:
kakkf45j0m87p9a6g.jpg
 

Viluxia

Senior Member
ECF Veteran
Feb 4, 2013
111
86
South Yorkshire, UK
The original doesn't have this clearance problem nor would it's kits help out.
The shim needs to be about 10 mil thick, I've been making mine from 9 mil stainless steel.
It sits in the square hole of part #3, part #8 on the other side. Could be 9 -10 mil is not enough, in that case ring #7 can be thinned down a bit to gain some more clearance.

Thanks for the reply craig, i think i understand now, i removed ring 7 and assembled the bottom part and noticed i could turn the nut another half turn compared to when the ring was there - so with that and a general understanding of what im doing, took it out (ring #7) and got the calipers on it 1.15 to 1.16mm was its thickness, ive now taken it down to 0.65mm according to the calipers and by god its smooth as hell, hardly any resistance even with the nut and 510 as tight as they will go, no lateral movement, its very solid and the 510 pin is not unscrewing itself now :) - Now i must admit i dont suggest anyone try what ive done by any means, but if your confident and have some calipers i dont see why not take it easy and go down in steps of .5mm untill its right, used 800grit wet & dry slightly damp, figure of 8 motion to avoid high spots or at least minimize them.
 

Raguvian

Super Member
Verified Member
Dec 21, 2014
394
299
Houston
Got my Robbot Kayfun4 in yesterday from Focalcig ;)

First impression is WOW! I can believe that this was less that $30. The machining on my version is pretty good. I very pleased with this for the price point.



Came in pretty clean, but I disassembled all the parts for a good cleanout anyways.

Had a chance to play around with some of the different tank options, like having all the choices in one box.

Shot of it on my Robbot ZNA with the full SS tank section:


One this the Glass Mid section:


And here is my favorite setup, full clear tank:

Built a 1 ohm coil with 26G, not the best choice for wire in this device, wire is way too thick to be grabbed by the little deck screws, but I finally managed to get it in. I think 30, or 32 G wire will work better on my next build.

Little learning curve with the juice control, managed to leak out 3 mil due to my ignorance with this KF4, but I think I finally figured it out. Vape quality isnt bad, on par with the older versions of the Kayfuns. Pretty decent flavor too. So Im pleased with it for now ;)

Rocking it on my Sigeli 100W+ today here at work:

Man, it looks great with the clear tank! I need to see if I can wrestle mine on but IIRC the FT clones have some weird threading on the tank and can't screw on. Does anyone know if the Tobecos can use the full clear tank?
 

dwcraig1

Vaping Master
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Mar 17, 2012
9,013
49,260
Imperial Beach, California
^^^ the way I did it was to roll a small piece of duct tape in a loop so it's sticky the whole way around, stick #7 ring on it and stuck it to a flat surface leaving "wings" on it. I then scotched taped the wings to the surface and worked the sandpaper over it. Worked to hold the ring flat real good. Tiny, tiny tape
 

dwcraig1

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Mar 17, 2012
9,013
49,260
Imperial Beach, California
I got it,
It has extra o-rings spring and screw driver
Smells really bag of oil
Mine has the clearance defect
# 7 clone .045, #4 authentic .037 ( probably reading off a bit, probably 1 mm)
# 4 clone .057, #7 authentic .060
I need to go out, I'll get back to this in a bit.

I shall move this to the front
By golly I see I messed that up, it should read:
#7 clone .045., authentic .037
#4 clone .057, authentic .060
 
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dwcraig1

Vaping Master
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Mar 17, 2012
9,013
49,260
Imperial Beach, California
Not until about 5pm. About the time I get home from work.

Mine is late too, like 4
Just to brag a bit, I'm still running ni200 coils on DNA 40 equipped mods with both of my FT K4's with no fluctuation of ohms (and no spring)
 
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