EVOD head prototype mod for Billet Box only.

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Big Screen D

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Sure, of course I am more than happy to do so. Might have to make one up, think I sent you my last. Let me know Dan and email me your address. I am anxious to do a side test. Hope mine Scubabatdan version gets here tomorrow also.

To be clear, I'm comparing this to a ProTank with rebuilt head.
 

ThreeDJ16

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Hey Drunk. Anyway you can get one of these out to Dan. I'd be interested in his impression of the flavor with the open design you have here. I don't have a drill press, and am afraid I'd muck it up with a hand drill.

EDIT: Actually, Dan if your up to firing up that lathe, you could cut one with the cup stem made into the top tube. No silicone cup, just mate it to the cup.

EDIT2: If there is enough metal to work with that is.

Haha. ...I used a hand drill since I was to lazy to go out to my shop. I just started with much smaller bits and worked up. But you do have to watch that heat to keep from desoldering the cup.

Now if he milled the cup into the upper tube and you loose the silicone wouldn't that loose juice control and be in situation I am in now? Some gurgling?
 

Big Screen D

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Haha. ...I used a hand drill since I was to lazy to go out to my shop. I just started with much smaller bits and worked up. But you do have to watch that heat to keep from desoldering the cup.

Now if he milled the cup into the upper tube and you loose the silicone wouldn't that loose juice control and be in situation I am in now? Some gurgling?

Possible. Could just be your wick though. Mine has been stellar all morning.

Real test will be when the tank goes below half full. Vaping my head trying to get there lol.
 

ThreeDJ16

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Yeah, I think you are right. The extra piece of cotton I stuck over the top of the coil is my strongest suspect. Going to remove that sucker now and see if all goes well. But yeah, knocking out that chimney has been the ticket we have been looking for. No idea why I didn't try it months ago when we discussed it. But I do have a lot going on as you already know.
 

Scubabatdan

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So something like this?

BBcartotube2_zps26361f38.jpg


Built into the top tube.
Will try and make one tonight.
Have to increase the tube length 1mm to account for the silicone washer removal.
Everything else will remain the same, 4mm center bore.

I had actually thought of this but was going for ease of use for the end user.
The problem I had with this was if the manufacture changes dimension on the cup of has a batch that is larger, the head will just fall of the top tube.
Dan

Added I got my ARO heads in yesterday, so I will play with it tonight :)
 
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Big Screen D

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So something like this?

BBcartotube2_zps26361f38.jpg


Built into the top tube.
Will try and make one tonight.
Have to increase the tube length 1mm to account for the silicone washer removal.
Everything else will remain the same, 4mm center bore.

I had actually thought of this but was going for ease of use for the end user.
The problem I had with this was if the manufacture changes dimension on the cup of has a batch that is larger, the head will just fall of the top tube.
Dan

Added I got my ARO heads in yesterday, so I will play with it tonight :)

Exactly.

Good ppint about the manufacturer possibly changing cup size. Never know if it gets sourced to different factory, and dimensions get changed a bit.
 

Big Screen D

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So you're talking a straight bore all the way down to the coil? Sorta like the original Diver?

Yes. Pretty much. With the obvious advantage of having the option to just drop in a factory head. I've never tried a Diver, but I did scope em out, and never wanted one mainly because they looked to be a PIA to build. The ARO head, like the Mangers are cake.
 

Big Screen D

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Dan, you a are dangerous man with a little SS, and a lathe :D

Like how it just looks with the Chinese stem gone if nothing else. Gives it that high end RBA look.

Ah, yeah I had forgotten about those silica top wicks in the factory heads. That is a concern for people that want to use them out of the box.
 
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Big Screen D

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Yes, like a drip tip would. The intention was to prevent condensation and or juice from accumulating outside the tank. I've never seen any improvement with the newer top screw in that regard.

Depth is 2mm. OD measures 8.2mm. Measured with a rule. Someone needs to mic this to check my accuracy though.
 
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