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What do you think of my pot?

Poll Results: Which design?

 
  • 91% (11)
    Design 1
  • 8% (1)
    Design 2
12 Total Votes  
post #1 of 24
Thread Starter 
I want a pot, but I'm on a budget so I decided I'm going to make my own.

Stopped by the hardware store, and came up with two designs. I didn't have my money with me, so I didn't buy either but that worked out because now I can get input on which of my two designs I should go with.

The end cap that I'll use as a base and the two larger tubings (they didn't have any tubing that was longer, so I'm gonna have to use those two pieces if I want that height) are both 2". I found a thick copper insert that fits perfectly in the end cap and adds decent weight, that piece alone costs $14.

Total I would say it weighs around 5LB

Total height of both designs will be this, now that I'm home and have a ruler...that's about 7" tall.


The view down the top of design 1


The base of design 1


Individual components of design 1


Idea for design 2, but I forgot I could also add 1 of those small tubes like in design 1 to the center here.


Better view of what's going on in design 2


Design 2 has a small gap at the bottom, and the "step down" sized tube doesn't fit snug in the ring, so acetone could actually go up and surround it better.





Please let me know your thoughts on which design I should go with, and if you have any ideas to improve upon the design.
The only issue I see with design 1 is there will be a lot of technical soldering to get those 3 inner tubes mounted.


Lastly, I have a question on my soldering...do I need to use a MAP torch for this? What type of solder should I use? And do you think I'll have issues with being sealed off to leaks?
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post #2 of 24
What are you planning on putting in this, the walls seem a little thin for LN2

Comps
post #3 of 24
Thread Starter 
Sorry forgot to mention it was for DICE.
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post #4 of 24
1st design is interesting, don't think I've seen a tubes in tube design like that before, hard to say how it would work, might be difficult to get DICE & acetone into each tube to keep things even, although the whole works would get cold anyway.
For a first pot & making it yourself might be better to keep it simple like design 2 though.
For copper you will want to braze it, I just use the propane torch for plumbing, MAP might be better for brazing with the temperatures it will go under. I don't really know since I haven't done or fixed my own pot before...
    
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post #5 of 24
Thread Starter 
I plan on buying DICE pellets if I can, and smashing it into dust or at least smaller chunks. I am pretty sure I could get a decent amount into those tubes in the first design.

How much acetone am I going to want to use? I was figuring enough to cover those small tubes, so they are submerged, but not enough to get past the big copper endcap:tubing joint so there isn't a risk of leaking.

That is a good point about keeping it simple for my first time, I didn't think of that because I usually skip to "more advanced" right off the bat

Okay, I've got an empty tank and torch head, so I'll just pick up a MAP can for $10 and throw that torch head on there and grab some solder too...any recommendations on type of solder?
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post #6 of 24
Use only a small amount of acetone at a time, basically just enough to keep the bottom of the pot covered.
The silver solders are generally better, but really just a guess, never researched making my own pot.
    
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post #7 of 24
Yeah, just fill the acetone barely above the small tubes, that should be enough.

Edit: FTW beat me to eet.

Double edit: To much acetone will make the pot overflow once you add DICE.
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post #8 of 24
Thread Starter 
Quote:
Originally Posted by FtW 420 View Post
Use only a small amount of acetone at a time, basically just enough to keep the bottom of the pot covered.
The silver solders are generally better, but really just a guess, never researched making my own pot.
Thanks I think that's what I've heard too, the silver is better.

Quote:
Originally Posted by NoGuru View Post
Yeah, just fill the acetone barely above the small tubes, that should be enough.

Edit: FTW beat me to eet.

Double edit: To much acetone will make the pot overflow.
Got it, thanks. Yeah I know you only need a little bit of acetone, but I wasn't sure how much lol.

How much DICE should I put in? It seems the more the better, but I never see people fill it like that and it always seems like just a few pieces.


This is so ghey, I want to do my first DICE run so badly now that I know I've got a plan for the tube...but I need to wait till the end of the month because I really need to focus on finishing up finals nicely.
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post #9 of 24
I use a 1 shot glass full of acetone but it will very depending on the size and shape of the base but that can give you a guesstamite.
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post #10 of 24
thats definitely some MID's .....get it?
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