So whoever got their dual air flow..... is it actually more airy then a normal EhPro V2 or the same?
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Dual Air Kayfun Lite Plus by Ehpro....
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Are there any diagrams showing how the fill valve is put together? Reason for asking is I seem to remember a comment way, way back about damaging the fill valve trying to get it to re-seat when it was leaking. I have Russians with the fill valve and figure they are roughly if not the same as the kayfun 3.1 or clones. I've not been using them lately because they started to seep and I was afraid a spring or other part was going bad or I had damaged it using the fill port. I'd really like to use the fill port again but want to know what I'm dealing with. TIA for any help or advice.......
I placed an order with Fluid Vapes on Friday morning for a sigelei 30w, an EHPro Kayfun Lite Plus V2 and an Asipre nautilus. Got the shipping notice same day, and it's due to be delivered tomorrow (Monday). I had no knowledge of this vendor, but the prices were cheap, so I thought I'd give them a try.
I don't have any diagrams but I do know the valve is a spring loaded ball bearing and it's possible to damage the bearing buy using a metal syringe tip on it , one of my hcigar 3.1's started weeping through the fill valve and I considered the possibility of debris being forced in the valve while filling so I used a syringe and forced hot water through the valve from both sides and flushed it out , no more leaking after that . I've only been able to find one source for the proper tip for filling the 3.1 and that's here .
20ml Oval Luer Lock bottle, cap & tip (single) - Cloud 9 Vaping
Thanks for the info..... I've been using a plastic tip dispensing "needle" to fill the Russians. It looks very much like what you have. Got mine off eBay in a sort of grab bag of dispensing needles. Things went well for several months, but then the valves started to seep and no amount of cleaning seemed to help. Finally I somehow got things to stop and I've been top filling since. I'm seriously considering selling the Russians and going with KFL lite +'s, Nothing against the Russians just don't want to have the worry about something going south on me and not having any way or means to fix it.
That's the way to do it. If anything at all gets between the ball and its seat, the valve won't close completely and it will leak.
If the draw on my new Lite proves to be too stiff, I'll see if I can find a 1/16" dowel pin reamer at work and ask our machinist to ream the hole. (I'd do it myself but it's been 20 years since I last worked as a machinist) Reaming should work better because twist drills tend to screw themselves forward when enlarging an existing hole and it damages the drill corners.
Filler Bottle with Needle Tip: Boston Round Bottles with Luer Lock Cap and 18g Needle
If the draw on my new Lite proves to be too stiff, I'll see if I can find a 1/16" dowel pin reamer at work and ask our machinist to ream the hole. (I'd do it myself but it's been 20 years since I last worked as a machinist) Reaming should work better because twist drills tend to screw themselves forward when enlarging an existing hole and it damages the drill corners.
Filler Bottle with Needle Tip: Boston Round Bottles with Luer Lock Cap and 18g Needle
I usually top fill anyway , I vape 100%VG and it's a PITA to get that through the valve , it's a lot quicker to go through top , SM sent out an e-mail recently saying they were releasing a KF 4 soon , I'd wait to see what they come up with first .
I hear ya about the VG. Trying to push it through a needle would not be fun. Top filling really isn't that bad, it just bugs me having that valve and not using it.
Maybe KF 4 will have a user serviceable fill valve.......... among other new features.....
Tried my buddies this weekend. To me there is absolutely no difference in airflow vs the single hole one. I was super disappointed.
Well if you've picked one up already and are decently handy with tools, check out the YouTube channel cloud50. He has a video on opening up the airhole on the center post where it meets the deck. That made a ridiculously huge difference, although ultimately it'll never realize the full potential of both airholes since the center post inner diameter remains a limiting factor.
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Here's a little follow up that could be considered either inapt, a little deceptive, or comical on Fluid Vapes part ..... I believe in a prior post I was crowing about how quickly my order was shipped. Well today I thought I'd plug in the tracking number I received and it showed the package had not even been received by the USPS as of 1 PM today. So I go and look at the notice I was sent by Fluid Vapes and here is a C&P of the critical part of the notice: "We wanted to let you know that your order (#XXXX) was shipped via USPS, USPS Priority Mail on 6/23/2014. You can track your package at any time using the link below."
Weird I thought -- They are able to "ship in advance"..... I ordered the device on 6/21/2014 and rec'd the notice just a few hours after ordering so thought it was in the mail that day....lol
I realize this is probably something in the shipping software they are using but what now concerns me is it isn't showing up today, Monday. Making me a little nervous. I am gathering Fluid Vapes is a relatively new vendor, so maybe they are simply getting the kinks worked out of their system, but I can see I won't be getting my package as quickly as I anticipated.
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Very true..... I'm sure it's some kind of automated notice sent by their shipping program but it just made me laugh when I realized the way the timing was. I'm sure I'll get the package it's just that it's not going to be here in stellar time. Maybe this will be a one shot deal with Fluid Vapes but I hope not because they really do have great pricing. That EHPro device was ~ $10 less than the cheapest I've been able to find it anywhere.
I shall keep you posted.......
Wish I could remember the vendor. I ordered a EHPro from one of the vendors on EBay a few weeks back. Fairly quick shipping, and it was priced at 26.00 and free shipping. I was a little concerned at the price, but it was indeed a Gen. EHPro KayFun Light + with te solid contact pin.
The draw was much tighter than on my Hcigar 3.1 so I used a 1/16th bit on the milling machine to bring up the ID of the hole in the pin. Oddly enough, the pin outer dia. was the same as on the 3.1. Only the I.D. of the hole was smaller, by quite a bit!
In a fit of never is thaere enough, I also enlarged the pin hole on the 3.1. Yeah Baby!!!
I noticed that the original poster here said to go to 1/16 as well, but stated that 5/64 was what he used. Why the difference? Humm???
I fixed the whistling on the 3.1 by plugging the side drilled entrance hole for air flow, and simply removed the adjustment screw. It flows like a hurricane now!
I seems that enlarging the intake hole on the EHPro would help as well. Especially on the single screw (Original) version.
ONe word of caution. Get the center pin tight where you want it and leave it in the base for drilling. this will support the pin, and hopefully deep it from becoming useless if the bit gets very slightly off center. Once drilled, DO NOT Remove it! EVER!
It will be far too thin to use as normal now, and you don't want to break it off in the base..
KnifeMaker
The draw was much tighter than on my Hcigar 3.1 so I used a 1/16th bit on the milling machine to bring up the ID of the hole in the pin. Oddly enough, the pin outer dia. was the same as on the 3.1. Only the I.D. of the hole was smaller, by quite a bit!
In a fit of never is thaere enough, I also enlarged the pin hole on the 3.1. Yeah Baby!!!
I noticed that the original poster here said to go to 1/16 as well, but stated that 5/64 was what he used. Why the difference? Humm???
I fixed the whistling on the 3.1 by plugging the side drilled entrance hole for air flow, and simply removed the adjustment screw. It flows like a hurricane now!
I seems that enlarging the intake hole on the EHPro would help as well. Especially on the single screw (Original) version.
ONe word of caution. Get the center pin tight where you want it and leave it in the base for drilling. this will support the pin, and hopefully deep it from becoming useless if the bit gets very slightly off center. Once drilled, DO NOT Remove it! EVER!
It will be far too thin to use as normal now, and you don't want to break it off in the base.. KnifeMaker
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When someone gets their hands on one of those, please let me know, does it whistle in stereo. 
Got the package late yesterday. Came by Priority 2 day. Packaging was OK and the the box Ehpro puts the device in was in sealed plastic wrapping. This clone appeared cleaner than the other Ehpro's I've purchased. I still gave it a cleaning in Dawn, then rinsed and dried. The usual stuff came with it -- extra block screws, O-rings, and double ended screwdriver -- don't think there was an O-ring for the chimney. The workmanship seems fine and the fit and finish is good. Not quite European quality, but considering the cost, good. Put a 2Ω coil on and wicked with Ramie.I know its only been a couple of days…. But I am curious…
The holes for the dual air look to be the same size as the single hole devices. I found the draw to be very tight and right now I'm using it with both adjustment screws completely out -- makes it impossible to "choke" the device to pull juice into the evaporation or combustion chamber though. With them both out the draw is OK -- not super airy by any means. I don't see any room for making the air holes any bigger at least on this particular device. The biggest gripe I had was with the AFC screws in place and not in the completely closed position they interfered with the device seating on my older VAMO and a ZMAX. On a Provari didn't seem to be a problem. I didn't spend too much time checking that out.
Can't say much about Fluid Vapes CS.... I never did get a reply to my email about the weird shipping notice. Maybe they are trying to act like a larger company and ignore their mail......
...... but considering their great pricing, I'd probably order again knowing not to expect much from them and hoping there were no problems in transit or with the purchase. At this time I don't think I'd be looking to buy another dual AFC KFL+. Like someone said (think it was Kiwi) if you can't alter the vertical air shaft coming up to the coil, adding more air inlets won't make a difference. Sort of like pouring a large stream of water on a screen. My apologies for not posting last night..... hope this helps a little -- I'm not much of a reviewer....
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Horton – thanks for the write-up. Very helpful info. It seems that the dual airflow is not a significant upgrade from my current Ehpro v2, so I’ll probably give it a pass.
By the way, I had the same experience you did regarding Fluid Vapes CS. I emailed them twice over the past several days with a question, and have yet to get a response. If a vendor is non-responsive before he gets my money, chances are good he will be difficult to work with should a problem come up after the sale, such as a lost or damaged package. Their prices are tempting, but their lack of follow-up will keep them off my list of go-to vendors.
By the way, I had the same experience you did regarding Fluid Vapes CS. I emailed them twice over the past several days with a question, and have yet to get a response. If a vendor is non-responsive before he gets my money, chances are good he will be difficult to work with should a problem come up after the sale, such as a lost or damaged package. Their prices are tempting, but their lack of follow-up will keep them off my list of go-to vendors.
Glad it helped, hazozita..... I am getting less and less impressed with the dual airflow the more I'm using it. It's like trying to suck up axle grease through a straw....lol. I have taken it completely apart, down to individual parts, and could not see any blockage -- it makes no sense to me. Plus, not being able to put my finger over only one hole to "choke the carb" so to speak really bugs me. I'd like to know I have that option if I start to get that dry hit feeling. Even having to cover the two holes would not be a huge issue, but needing to remove both AFC set screws in order to get more air flow makes it impossible
I agree with you about the CS and lack of response. The lack of replies to email is a pretty good indicator that the vendor either does not care or feels the notes are not worth the time to reply. Even though they offer very good pricing there are hundreds of other vendors out there who WILL reply to a query. The ten bucks you save today may not seem like such a great savings when you have a problem and can't get it resolved. You'd think a vendor would watch the various forums and try to head off problems like this by making sure they follow good business practices and are proactive. I was giving them the benefit of the doubt until you made your comment. Hopefully they will make some changes and be more responsive.
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