I dó use smokers. The kid in me just lòves that..

Buuut.. for rivet-counters they are a no-go, me thinks... unless You want to simulate a tank that’s leaking coolant into the cylinders, blew its gaskets ànd accidentally pumped 2-stroke mix in its fuel..

Maybe only “ acceptable” when using the new-fangled barrel-smoke function that some more expensive systems offer.
(And, no, ‘smokeless gunpowder/propellant’ is NOT a thing. It always smokes a bit, even with modern tanks. Have seen enough live firing at the German ranges to state that they dó smoke, despite sturdy smoke extraction units on the barrel. Not Napoleonic cannonball-smoke-like, true, but still...

.. Hmm.. come to think of it : making big clouds of smoke from únder a tank when fired, would be cool.. the amount of dùst that’s thrown-up on a dry day by the shockwave when firing.. wow.. The poor little VW van we were confined to, having to regulate traffic from-and to the range, also shook like someone hit it with a rather large hammer wit every shot.. éven at the distance we were from the actual firing..)
However, on the next-gen smokers : be forewarned. They smoke really ridiculous on a 6.0. On a 6.0-S it’s more ‘normal’. Which leads me to the conclusion that the voltage for the heating wire in the “S” is a tad lower. (consequently the wire may burn premature on that 7.2/7.4v. I only got about 20 minutes of runtime yet on the 6.0 with the new smoker, so, no idea how sturdy it is)
I do not want to take both T72’s apart agàin to check the Cn11 voltage, but I feel the 6.0 has the full 7,2/7,4v and the 6.0-S a volt-down to 6v, but with a circuit that can withstand higher amps.
By the by. Small -tiny even -improvement on the reservoir : the crimped heating-wire connectors are on the óutside of the reservoir. Wáy easier to replace a lead when it breaks.