Thanks everyone, you are great support...
I´ve done smoke test many times, it works perfectly, but probably the smoke from the torch moves differently - exactly what Talonst mentioned
On the other hand the movement of air around the funnel causes that my flame moves quite a bit which causes troubles when applying stringers etc. I dont think it is normal... the movement of air is not caused by the air coming from the window, even if I shut it...
No problem to purchase a Barley box, move the table, make unother hole in unother wall... do you thing that this type of fan, inline, will work when attached to the back side of the box, exactly between the hole in the back of box and the hole in the wall...so no tubing would be there...I would obviously put it in the centre just bellow the ceiling of the box... I would probably have problems to put the fan above the box and make the hole somewhere there...
Thanks and have great day, Miscia
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