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Originally Posted by WillT.
Wouldn't this thing be some sort of fire hazard? I just can't see wood and a torch getting along with each other very well.
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Actually the fact that it is made out of wood (actually MDF) is not a problem because (as I mentioned in pervious posts) the tubes are not brazed in the fixture but only spot brazed together (meaning a small spot of braze about the size of a tack head). I've never timed my self but that probably takes less than 10 seconds. If one was really worried about damage to the fixture, they could use a piece of sheet metal as protection. Actually I'd do that anyway to keep it clean from flux. After being spotted together, it is then aligned on some kind of surface plate (or one can use a straight edge with a ruler if on the cheap) before it is really brazed together somewhere else.