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Yes. Putting something close to the air inlet is an excellent way to burn a lot of fuel and not get much heat.
There shold be at least 2 or 3 inches of burning coal beneath the thing you're trying...

But doesn't the pipe burn if you want to get your workpiece to welding temperature?

For heat treatment this is sometimes done to get a more even temperature and to protect the piece from direct flame. For forging I haven't seen it. The reason is that for forging, you want to get as...

I don't think it matters much for coal and charcoal. My air inlet is in the bottom, through a 1/8 metal plate with holes drilled in. The one thing I do think is that having it in the bottom is that...

Don't know about gas, but with charcoal, air speed controls the fire.

Mike is indeed spot on about needing to put mind to controlling the fire with coal and charcoal.
A couple of weeks ago I had...

Out of curiosity: how long does a tank run?

It will take time to cool of course, but there is no active fire anymore.
whereas with charcoal, there is active fire so also a fire hazard.

The main benefit of regular coal seems to be that...

Hey Alex,
You mentioned startup time and I originally forgot so I just added that for completeness together with the fireflies, not in an attempt to argue that charcoal is better. That is the one...

From charcoal you don't get smoke or fumes, but you do get fireflies. And you need to maintain the fire because if you let it burn too low and throw on fresh charcoal, the temperature difference is...

I think I've already posted my charcoal forge here.
I love charcoal and I am sticking with it, for the following reasons.

1) it can't explode. Gas forges make me nervous.
2) it is cheap.
3) you...