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hi,
Copper is expensive here in VN (but stainless steel is cheap) that's one reason,
other reason is that copper corrodes and that given the expense of making SPP, you may not want that
other reason is that copper is soft and that it prolly wouldn't stand the tension at a similar thickness - I'm using one of the thinnest possible wire gauge.
I put some copper foil in the columns, that doesnt mean all the column has to be made of copper.
However if you google around you'll find that some people can use copper for SPP.
Bushman wrote:Very cool, I wished that link in Russia had an English translation. I would have liked to read the comments.
You can read it using Google translate. Here is a translation of the first post on the page cited, which is page 4 of the thread:
When you worked at a small pottery and firing it, so purely for fun decided to try to create one clay beads for packing. Took coriander seeds (They are ideal balls) and covered with a layer of clay, the method drazhzhirovaniya seeds. Catal blocked until a diameter of 5-6mm, the last portion of the clay added starch to obtain a porous surface (starch during firing fading). After drying, fell asleep in a thick tin can and put it in the oven on the wood, put on a little more wood and set on fire. An hour later, oven burnt and that's what happened (How to insert a picture?) Filled with water exposed to the street stood in the water for almost a month, freezing razmerzaya but not soaked. Who house gas, the problems with the firing nor any.
Hey, it's really fun looking through this forum. It's http://www.HomeDistiller.ru" onclick="window.open(this.href);return false;" rel="nofollow . If you have the Google Toolbar, just click on Translate. In fact, once you use Translate, everything that's in another language gets turned into English on subsequent uses.
Some aviation lock wire is annealed SS. There is a lot of fishing line that is hardened SS. But the best I found in quantity is SS mig welding wire. It comes in better sizes (.020-.036) and quantities at about $3 a pound.
A liter of "C" size SPP takes about 3.7 pounds of wire. A 2" x 30" column will take about 1.5 liters. A 3" x 30" column will take about 3.5 liters.
And I'd advise to make the SPP a bit more open. Easier drainage, higher possible energy input, more reflux, more SPP in its optimal working range. And some other benefits that go beyound this tread's goal & topic.
Odin.
"Great art is created only through diligent and painstaking effort to perfect and polish oneself." by Buddhist filosofer Daisaku Ikeda.
