Japanese bellows

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Date

12-22-2006

Posted by Rob on December 22, 2006, 7:56 am

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I have a small coal forge that I am currently using a hair dryer to
power. I am thinking about using coke instead and a Japanese bellows,
but I don't know how large they should be. Any thoughts?

Thanks,
Rob

Posted by Charly the Bastard on December 22, 2006, 10:40 am

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Rob wrote:

> I have a small coal forge that I am currently using a hair dryer to

> power. I am thinking about using coke instead and a Japanese bellows,

> but I don't know how large they should be. Any thoughts?

> Thanks,

> Rob

Well, bigger is better than smaller. You can always choke back bigger, but
it's hard to overpump smaller. Clear as mud, no?

Charly

Posted by Chilla on December 22, 2006, 6:22 pm

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Charly the Bastard wrote:

> Rob wrote:

>>I have a small coal forge that I am currently using a hair dryer to

>>power. I am thinking about using coke instead and a Japanese bellows,

>>but I don't know how large they should be. Any thoughts?

>>Thanks,

>>Rob

> Well, bigger is better than smaller. You can always choke back bigger, but

> it's hard to overpump smaller. Clear as mud, no?

> Charly

I'll add a little to what Charly said.

If you're going to make a Japanese bellows (or a "box" as I call it)
then make it to fit you work area, and of a size that you can manage to
pump.

Bigger is better as you can push and pull a larger volume of air.

Regards Charles

Posted by spaco on December 22, 2006, 8:22 pm

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Don't know sizes for "Japanese Bellows" but I saw Hmong bellows some
years ago. A tube about 8 inches in diameter and about 4 feet long.
Piston rod went all the way through both ends with handles at both ends
so it could be operated from either side. Piston was 2 slices of thin
wood that held chicken feathers. Don't remember valving, but tuyere was
simple river clay molded into a tapered pipe about 8 inches long let in
to the middle of the tube. It was double acting.

Boy, can those guys ever make neat knives and edged tools out of jeep
leaf springs with REAL basic tools!

Pete Stanaitis
----------------

Rob wrote:

> I have a small coal forge that I am currently using a hair dryer to

> power. I am thinking about using coke instead and a Japanese bellows,

> but I don't know how large they should be. Any thoughts?

> Thanks,

> Rob

Posted by MatthewK on December 24, 2006, 12:46 am

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On Fri, 22 Dec 2006 19:22:36 -0600, spaco wrote:

> Don't know sizes for "Japanese Bellows" but I saw Hmong bellows some

> years ago. A tube about 8 inches in diameter and about 4 feet long.

> Piston rod went all the way through both ends with handles at both ends

> so it could be operated from either side. Piston was 2 slices of thin

> wood that held chicken feathers. Don't remember valving, but tuyere was

> simple river clay molded into a tapered pipe about 8 inches long let in

> to the middle of the tube. It was double acting.

> Boy, can those guys ever make neat knives and edged tools out of jeep

> leaf springs with REAL basic tools!

> Pete Stanaitis

> ----------------

Was it horizontal or verticle? In Weyger's book he shows an
illustration of an indonesian setup that is similar. I think it was two
verticle tubes powered by a kid. No valving....

Your description seems like it would be an easy homeimprovement store
setup. A pvc pipe, some carpet , a plunger.....

I've only seen it once in a movie, but a chinese girl was cooking with a
stove that had what looked like a box bellows built in. Anyone ever seen
anything like that?

matthew
ohio

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