Hey jj I gotta tell ya bud I was pretty frustrated today though,went to change out my wicks on my Sapor and the dam thing flooded on me 3 times,not sure if you've experienced that yet but that's the equivalent to leaking for the Sapor,basically once you've filled it up and put on your top cap you'll notice that you're juice level is dropping,that means it's flooded and when you take a drag you end up with a mouth full of juice and zero vapor,witch sucks cause you have to drain the tank but then juice comes out the air holes,therefor you have to clean out the whole tank and start from scratch,my wicking was perfect and all o- rings in place,it was driving me nuts,the only thing I could think of is that I was filling it too fast,then after my third clean up and wicking job I filled it nice and slow and no problems since,weird right?just thought I'd pass that on if you ever incounter such an issue;-)
Before I go on with this post I want to say that YMMV and that in no way do I mean offense in anything I'm about to say.
It's all physics. Tanks work because of pressure. If your tank's pressure is offset by a slipped off o-ring, not closing the airflow and juice fill ports,
inadequate wicking (most likely the case in your scenario), etc., then your tank will leak or flood in the case of the Sapor. The only reason juice actually came up your airflow is because you took some pulls on it after it was already flooded. With gravity against the juice there is literally no way to get the juice in the airflow section unless it's already flooded because of an improper filling/wicking and you continue to use it. Even if the tank were flooded and you turned it upside down you'd have to leave it upside down for a while before juice would come seeping out.
If you get the wicking right, which I have to say after experience with a handful of rbas over the past few years has proven the most forgiving and easiest to do in the Sapor versus any bottom airflow tank, and you fill it right and maintain the vacuum, the tank is leak-proof.
So no, I haven't encountered that issue. I experienced lots of flooding with the Joyetech Cubis POS because even though that was top airflow the initial coils (never tried the notch coils) were so badly designed that they wicked too much and didn't have well designed airflow to draw the vapor efficiently and maintain a correct vacuum.
I have 2 Limitless RDTAs. I wick them completely differently than the Sapor RTA. Being a Genesis-style atty, there is no vacuum and so you need air to flow between the wicks and the holes to make the capillary action work agreeing gravity to get the juice to the coil. You have to know how to wick the tank you have. Top airflow, vacuum, stuff the juice holes but not too tight as cotton swells. Close everything off when you fill and don't open till after you screw on the top or the positive pressure you exert into the tank will force the juice into the chamber. If you remember and do all this, which I believe is exactly what is said in the instruction manual, your tank shouldn't flood unless it's defying physics.
After reading your post again I'm gonna make a hasty assumption and say that you don't know to close off the juice fill and airflow holes while filling. It seems that if you did know this, you would know that filling it fast or slow makes no difference whatsoever.
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