Open Source Ecology Heat Exchange Coil Winding, 3 Feb 2012

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From YouTube: Coil 11

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Fififfiiifv

A

So this is the hose hose Inlet running our argon on the inside of the tubing. So you don't get corrosion on the inside.

B

A

B

Clamper down real tight, real tight.

B

A

The bumper yeah sorry.

B

About that we need to change that yeah come over here on this side now.

B

Yeah, that's good question you're down.

B

And now we have gravity working with us instead of against us. Alright.

B

Ok, it's the one at home that I don't have much.

B

Down on oxygen, but we should be ok, ok,.

B

B

Okay, we adjust our gas pressure to about 60 SI.

B

And then our oxygen to about 10, let's kind of rule, a thumb.

A

For heating, or for cutting, that's not for.

B

Cutting well for eating or cutting.

B

A

B

We aren't actually going to heat the weld itself.

B

Good heating cook we're gonna yeah. This is they call rosebud rosebud.

A

B

We're going to eat this, we don't want to heat it too fat too quickly, because then you'll start getting the metal flaking away from there.

A

How do you tell as soon as you get a little bit of red yeah.

B

You want it just a dull red, and then you want to just kind of work. It around red spot just want to kind of work. It around come back to that little spot and just kind of spread. It.

B

A

Getting pretty much one side only yes, that.

B

We're gonna we're gonna get the other side well,.

A

So what are you doing by this.

B

We're gonna, let gravity.

B

Also you let in.

A

Finch against.

B

With each other and we're gonna actually going to their donor.

A

Let me hold the torch.

A

Is that hot steel much softer Nelly, like, for example, with its.

B

Soft and it's workable, but it will cool fast.

A

You're trying to make them come closer to each other. That.

B

And and be directly on top.

B

A

You're not worried about corrosion inside from this.

B

No not generally.

A

Wow, this is not easy.