Your post is actually dead on except for in our case, everyone is having trouble getting it to light period on a normal draw even an initial time. We've tried 2 seperate base units same results. Absolutely though, it HAS to shut off at the critical temp or things would melt/burn/BE A MAJOR PROBLEM if it didn't. So from that aspect I definately have seen it work marvelously, and thus another reason I am encouraged.
The quick toke, then slow draw method increased our success rate some, but not enough and when I took this back to my smokers here at work they balked and stated they did not want to have to put that much effort into it. They just want to drag and enjoy. I've considered boring a bigger hole which also was mentioned, but I think that would affect the nicotine intake. I think the o-ring idea is down the right path as I think an improved seal would at least help, maybe a larger intake hole though some have said covering it up has helped. For me that seemed to impede things making it even more difficult.
Again, this is all going to be rememdied, and I even believe in time there may be enough desire to use these over real tobacco that folks will be willing to learn alternate inhalation techniques. I just think this thing has exponentially improved chances if they work it out so that it is intuitive.
Also, news of Menthols... AWESOME!!! Opens to the door to more potential customers long term, and at least a few new testers for me including the ex-wife, ROFL! Finally, she may be worth something to me!!! ;-) Guinea PIGlette time.
Going to be a fun and interesting few months to see how all this progresses.
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