Sub ohm dangerous?
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There is a gigantic difference between 0.9 and 0.25 even tho' they are both sub ohm (about a 40 watt difference @4v). Minute differences in resistance make huge differences in wattage anytime you go below 1 ohm.
The thought process of 'how low can I go before there is a problem' only assures us that there will be a problem.
The thought process of 'how low can I go before there is a problem' only assures us that there will be a problem.
That process is like applying torque to a fastener by tightening it 'til it strips, then backing off a 1/4 turn... yes, that assures a problem.
Using the appropriate information, tools, and principles ensures there won't be a problem.
I'll put it this way.
I've been messing with electrical and electronic gadgets since I was five. I've been doing it professionally since the '80s. I used to make a living by repairing, designing, modifying and building devices that ran off high voltages at currents that could kill you if you made a false move. I will not mess with sub-ohm vaping.
A shorted battery can become a powerful bomb. Impressing other vapers isn't worth the risk, IMO.
I've been messing with electrical and electronic gadgets since I was five. I've been doing it professionally since the '80s. I used to make a living by repairing, designing, modifying and building devices that ran off high voltages at currents that could kill you if you made a false move. I will not mess with sub-ohm vaping.
A shorted battery can become a powerful bomb. Impressing other vapers isn't worth the risk, IMO.
The other thing that bothers me about this trend is that it's a bit dualistic. Most people use e-cigs as a harm-reduction device. The super-sub-ohm huge cloud thing is courting danger from a physical harm standpoint (heat and huge density of VG/PG in lungs).
CASAA just released a good-news study with normal levels of vapor production. That was cool. But nobody...NOBODY...is studying these huge clouds of thick vapor yet. They look at normal exposure levels, not these.
So I'm not sure all sub-ohm is created equal either. But the trend to go lower with more coils is where it would tend to tip the scales if it does at all.
Food for thought for those chasing clouds.
CASAA just released a good-news study with normal levels of vapor production. That was cool. But nobody...NOBODY...is studying these huge clouds of thick vapor yet. They look at normal exposure levels, not these.
So I'm not sure all sub-ohm is created equal either. But the trend to go lower with more coils is where it would tend to tip the scales if it does at all.
Food for thought for those chasing clouds.
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Someone should make a handy-dandy container that holds two PVs side-by-side, gangs the switches and directs the output into a single mouthpiece. There ya go: gigantic clouds of vapor at little risk (except to your wallet).
Another idea: a head and double-pole switch assembly that uses a three-terminal connection (for two atomizer coils of reasonable resistance, contained in the same head and having separate "+" connections and a common "-") and two side-by-side batteries, each powering its own atomizer.
Another idea: a head and double-pole switch assembly that uses a three-terminal connection (for two atomizer coils of reasonable resistance, contained in the same head and having separate "+" connections and a common "-") and two side-by-side batteries, each powering its own atomizer.
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Damn, and it use to be so easy ... LMAO
http://www.youtube.com/watch?v=PYfS72RwcYQ&feature=player_embedded
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You should use some form of protected battery for any type of vaping. The sub-ohm guys are pretty much stuck with IMR type batteries, they are the only ones that will take the current drain.
. I'll not forget it.
Absolutely correct dr g, but still 0.21 ohms is a bit low for safety IMO. I wonder what battery was being used.
Correct. But nothing is safe. We have all heard of and seen pictures of eGo batteries that fried, I once had a LT short and stay on until I took the battery out, people have shorted batteries in their pockets, etc. It's all relative. Do you drive or ride in cars? Do you consider that safe? How many people are injured/killed each year in auto accidents? Saying sub-ohm vaping is not safe is like saying life is not safe - after all, no one escapes that endeavor alive.
Every device in vaping has people who love them and those who hate them. These have a purpose for me. If they are not for you, don't use them.
I'm not trying to impress anyone. I do it because I love the way my setups vape.
That's why I use sub-ohm setups. I can tell you don't use them, but if you are going to comment on them it would be better if you at least knew something about their capabilities!
So a 2.5 or 3.0 ohm coil in a VV device is not useful in your opinion?
OK, so you believe all sub-ohm setups are unsafe, purposeless, used by people who mainly want to impress others with them and the only useful resistance is in the range of 1.5 to 2.0 ohms with a single battery.
Enough said ...
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