All I did was stuck my multimeter's temperature sensor in both the center and corner of the heater, neither read different, both 30 low.
Although this adjustment did seem to lessen battery time by a bit, that could be my poor battery discipline and my excitement to keep vaping.
I know it voids the warranty, but for $100 (from puffitup) I thought it was worth improving it under risk.
Ah, so! I suspect that's what the problem is, i
nstrumentation error. Thermodynamics has strict rules. Heat is being transmitted, at a limited
rate, into the probe by conduction from the hot air (pseudo convection?) but
it's also being pulled out up the leads. Heat flows, you need to consider Thermodynamics. Thermodynamics covers a lot of ground, most of it not of interest to us, but the 'dynamics' part is important. "Heat flows from hot to cold". The bowl is the hottest point in the system, everything else has to be lower by the rules. A little or a lot, but lower. This means, automatically, that the probe will report a lower temperature. It's a misnomer to say 'the probe senses at the tip, it does not (the metal wires are welded together, there is zero signal at that point). In fact the signal is developed
by the leads and the temperature difference between the "hot junction" (the weld at the tip) and the "cold junction" (where they are again compared inside the meter). Try repeating the test again with a bowl of say ABV and I bet you get a different answer?
Thanks for the additional information, it makes more sense to me now.
Of course it lowers battery life to raise the temperature. More heat is lost that is automatically compensated for to maintain temperature and there's only one source of power in this game......it has to come from there. Mister Battery has to work harder, he wears out faster because of it, just like we do. It also takes more battery if you hit it more. If you want best possible battery life definitely don't try to use convection, convection is a known 'power hog' which is why it's not popular with vape makers. It's not like they don't know how to do convection too. Convection vapes like T1, Evolution, Cera, ESV and Grasshopper (if it ever really happens) are severely limited by their batteries since they heat a lot of air that ends up doing nothing productive. Conduction makes more 'vapor per Watt', that is it wastes less power doing other less productive things.
Cool with hacking in, like I said it's your unit to use as you see fit. I've certainly blown the warranty on more than a few. But I think the reminder that it does blow the warranty should be included with the free advice to hack into it......$100 might not be all that important to you and I but it's quite dear to some here?
"I read it on the web" can get guys in trouble too.......
OF