Post by Macsbeach98 on Jul 19, 2018 21:42:06 GMT -5
I am making a couple of new pots a CPU pot for older boards where the Dragon F1 is too big to fit comfortably a 50mm one and a 40mm one.
I went and got a slug of Copper turned down and parted to be a tight fit in both the 50 and 40mm copper tube this morning.
The 50mm slug is about 65mm long the 40mm is 50mm long.
I have also included the old Pot in the pic these will look similar when they are finished the problem with the old pot is the slug in the bottom is only 1" deep with 4 1/2" holes 1/2" deep drilled in it there is not enough mass to it so small sips of Nitrogen give big temp swings not very suitable for cold bugged CPUs where you want to keep the temp to as close to -30 or so.
I wont tell you what the 40mm one is for I will let you imagine that but I am sure you will see pics of it in action soon enough.
I will add more pics as I go along with it.
In this pic I have drilled some holes to give the nitrogen more surface area I am surprised you cant see the bottom of the holes in the big slug in the pic as they are not much deeper than that I didnt want them any deeper as I want to keep as much mass as I can also I cut the rings to solder on at the top for the holddown plate.
Tomorrow I will solder them together I leave the slugs sticking out of the pipe by about 10mm gives me room to drill a 1/16" hole in the slug for the temp probe.
Got them soldered today and the collars soldered on also if you look closely you can see I have drilled the 1/16th holes for the temp probes near the bottom.
Next thing to do was to wash them out with Acetone and a quick lap of the bottom faces.
I tape the temp probe into position with duct tape to stop the probe sliding up while I force the insulation over them.
This is the insulation that I am using its the same as the insulation on my original pot I hot melt glue up the clip seam to stop it coming apart when I push the pot into it.
With the little pot I used the same insulation and just cut the plastic clip strips off it and its a tight fit on the 40mm tube I have used Duct tape to hold it together it will be also wrapped in blue shop towel when I use it as water will form on the duct tape.
I like that insulation its fairly stiff and pushes down on the foam pads I use around the CPU socket to form an airtight seal.
Today I made the hold down out of Nylon I use one of those cheap cutting boards they sell in junkshops its easy enough to do.
Also in the picture is the foam pads that I used on the Gigabyte NF3-250 the white bottom pad is cut out around the cpu socket and is just higher than the top of the CPU.
I slide it down on the studs then put Gelid on the CPU and put the pink one down on the studs and the pot in it tighten it down and it compresses the foam pads and gives an airtight seal around the CPU.
By next weekend I should have tested this pot hopefully it will go well.
I went and got a slug of Copper turned down and parted to be a tight fit in both the 50 and 40mm copper tube this morning.
The 50mm slug is about 65mm long the 40mm is 50mm long.
I have also included the old Pot in the pic these will look similar when they are finished the problem with the old pot is the slug in the bottom is only 1" deep with 4 1/2" holes 1/2" deep drilled in it there is not enough mass to it so small sips of Nitrogen give big temp swings not very suitable for cold bugged CPUs where you want to keep the temp to as close to -30 or so.
I wont tell you what the 40mm one is for I will let you imagine that but I am sure you will see pics of it in action soon enough.
I will add more pics as I go along with it.
In this pic I have drilled some holes to give the nitrogen more surface area I am surprised you cant see the bottom of the holes in the big slug in the pic as they are not much deeper than that I didnt want them any deeper as I want to keep as much mass as I can also I cut the rings to solder on at the top for the holddown plate.
Tomorrow I will solder them together I leave the slugs sticking out of the pipe by about 10mm gives me room to drill a 1/16" hole in the slug for the temp probe.
Got them soldered today and the collars soldered on also if you look closely you can see I have drilled the 1/16th holes for the temp probes near the bottom.
Next thing to do was to wash them out with Acetone and a quick lap of the bottom faces.
I tape the temp probe into position with duct tape to stop the probe sliding up while I force the insulation over them.
This is the insulation that I am using its the same as the insulation on my original pot I hot melt glue up the clip seam to stop it coming apart when I push the pot into it.
With the little pot I used the same insulation and just cut the plastic clip strips off it and its a tight fit on the 40mm tube I have used Duct tape to hold it together it will be also wrapped in blue shop towel when I use it as water will form on the duct tape.
I like that insulation its fairly stiff and pushes down on the foam pads I use around the CPU socket to form an airtight seal.
Today I made the hold down out of Nylon I use one of those cheap cutting boards they sell in junkshops its easy enough to do.
Also in the picture is the foam pads that I used on the Gigabyte NF3-250 the white bottom pad is cut out around the cpu socket and is just higher than the top of the CPU.
I slide it down on the studs then put Gelid on the CPU and put the pink one down on the studs and the pot in it tighten it down and it compresses the foam pads and gives an airtight seal around the CPU.
By next weekend I should have tested this pot hopefully it will go well.
