Project Liquid Frost -50f

RBIEZE · 21-September-05, 04:13 PM

Hi.Well I got hurt at work, so I have alot of free time.I've been planning this project all summer and have slowly gotten the parts I need.My goal is to create a compact phase change system cooling liquid to -50f loaded Heres my donar, a brand new dameged 9000btu(1 HP)outdoor A/C unit retail price $350 for free.Thanks Sam's club! I'm pretty far along allready so I'll post some pics and give an update soon. heres some of the parts

heres the mockup with the gas to liquid heatexchanger I made,more pics later

heres the heat exchanger

MasterP · 21-September-05, 04:49 PM

Sweet deal dude! That's gonna be gnarly - Can't wait to see what you've got in store!!

RBIEZE · 21-September-05, 04:56 PM

heres the compressor and 350 Gph pump,I'm ordering a different one thats rated to -35f but this one will work for now if I'm carefull.

RBIEZE · 21-September-05, 05:16 PM

This was the first heat exchanger I made ,what a failure. I wasnt sure so I asked at the welding shop if it was possible to braze stainless steel ,apparently he was wrong.I tapped it with a hammer and the braze cracked completely off.what a waste of 8 hours fabrication

heres the evaperator. 19 feet of 3/8 Acr tube

here it is fineshed, what a disapointment

CubanConnectionZ · 21-September-05, 06:22 PM

How did you get that free. Wow that is a big setup.

THRASHER2 · 21-September-05, 06:55 PM

Can't wait to see this baby in Action!!!!!

Cpl Rampage · 21-September-05, 07:27 PM

sweet project, have you talked to zenz for some tips?

RBIEZE · 21-September-05, 07:57 PM

Quote:

Originally Posted by Cpl Rampage


	sweet project, have you talked to zenz for some tips?

No,Idont want to bug him unless I'm really stuck. I should be ok. and It was free because the whole front cover was smashed and thay didnt know what to do with it.I was lucky enough to hear the manager and an employee talking about it when shopping. It couldnt be disposed off easily because of the refrigerant in it, EPA rules and BIG time fines.

beachbum86 · 22-September-05, 12:34 AM

woot woot. wow that is soo cool (pun intended), since you said compact, does that mean that this is gunna be indoors in like some kind of custome encloser with lights and chrome and UV

.

RBIEZE · 22-September-05, 07:38 AM

Quote:

Originally Posted by beachbum86


	woot woot. wow that is soo cool (pun intended), since you said compact, does that mean that this is gunna be indoors in like some kind of custome encloser with lights and chrome and UV.

Yes, it will be fully Pimped. I plan on building an aluminum case with windows and lights. I have the materials allready,but that will be later in the build since its really another project alltogether. Designing this so compact is like trying to stuff 10 pounds of sh*t in a 5 pound bag.

Everything has to be considered before assembly.Its gonna be pretty tight once its insulated.

RBIEZE · 23-September-05, 10:20 AM

Just fineshed brazing,bought the wrong captube though "doh" .I was hoping to purge and vacuem test it today. I live in the middle of nowhere Its 60 miles to the refrigeration supply company ,I might just get a tev instead of a captube, but I was trying to save some cash for the low temp coolent pump.

RBIEZE · 24-September-05, 02:27 AM

Went and got the captube, 2 1/2 hour drive

.I found some documents on this compressor and figure its actually just shy of 1/2 HP.So im starting with 115 inches of Supco BC3 .052 I.D. captube. I started to purge it and inadvertently pressure tested it to 500 Psi with CO2 ( regulators broken)not cool

.Purged it twice and pulled 29.5 in.Hg vac and its held for 3 hours .I'll purge and vac it again 1 more time to get any water out.Cant wait to charge it with some R290.I want to get this done and move on to building the case.More pics later.

Pharaoh · 24-September-05, 02:53 AM

3 days have past and only now jealousy is setting in.

I want a freeby too!

Good for you though. This looks like it could go places.

RBIEZE · 25-September-05, 04:14 PM

I built the charging manifold for R290 (propane) today.Ive waited 24 hours with the system at 100psi, so far no leaks .I'll charge it tonight and see what kind of temps I'm getting

RBIEZE · 26-September-05, 03:31 AM

Well no leaks so iI went ahead and charged the system . Pulled some decent first temps . I havent put a load on it yet ,but the gauges show around -15 in.Hg vac, or about -60f unloaded. This compressor purrs,really quiet.The digital display temps are from the outside of the heat exchanger shell at the evaporator inlet .Next step, finishing the liquid loop.

beachbum86 · 26-September-05, 01:30 PM

that radiator is kick'n, ive only seen the streight flat one for this kind of project. For making this a compact system that Rad. will allow better cooling per sq. in.

keep up the good work, and after your done dip the whole damn thing in chrome...lol

Albedo · 26-September-05, 02:45 PM

Seriously.. right now i'm sure you'll get good temps, but it looks like a hillbilly's outhouse drainage.
Not that that's bad.. if that's what you're going for..

I'd make a cool little aluminum box or somthing that sits on top of / beside my case and have the tubing run out of the box and into the back of my case. You could cover the tubing in some of that metal flex tubing stuff, so that it look like mechanical tentacles or something.

RBIEZE · 26-September-05, 07:59 PM

Quote:

Originally Posted by Albedo


	Seriously.. right now i'm sure you'll get good temps, but it looks like a hillbilly's outhouse drainage. Not that that's bad.. if that's what you're going for.. I'd make a cool little aluminum box or somthing that sits on top of / beside my case and have the tubing run out of the box and into the back of my case. You could cover the tubing in some of that metal flex tubing stuff, so that it look like mechanical tentacles or something.

HaHa thats funny.actually I mentioned earlier that I'll be building a custom case from aluminum / lexan to house everything,allready purchesed everything for that. I have to finish the liquid loop first ,it should be done tonight. I dont want to put any holes in the wrong spot.

Albedo · 26-September-05, 08:28 PM

Yeah... noticed that after i posted...

But i still think the shower tubing stuff would look sweet.

Scorpionic · 27-September-05, 01:49 AM

Wow that looks cool, I love dirty industrial type equipment! And I love stuff that says WARNING and DANGER even more!

21-September-05, 04:13 PM		#1 (permalink)
RBIEZE Apex Tech Demi-God	Project Liquid Frost -50f Hi.Well I got hurt at work, so I have alot of free time.I've been planning this project all summer and have slowly gotten the parts I need.My goal is to create a compact phase change system cooling liquid to -50f loaded Heres my donar, a brand new dameged 9000btu(1 HP)outdoor A/C unit retail price $350 for free.Thanks Sam's club! I'm pretty far along allready so I'll post some pics and give an update soon. heres some of the parts heres the mockup with the gas to liquid heatexchanger I made,more pics later heres the heat exchanger

21-September-05, 04:56 PM		#3 (permalink)
RBIEZE Apex Tech Demi-God	Liquid Frost heres the compressor and 350 Gph pump,I'm ordering a different one thats rated to -35f but this one will work for now if I'm carefull.

21-September-05, 06:55 PM		#6 (permalink)
THRASHER2 PCApex Newscaster	Can't wait to see this baby in Action!!!!! Last edited by THRASHER2; 21-September-05 at 08:00 PM..

23-September-05, 10:20 AM		#11 (permalink)
RBIEZE Apex Tech Demi-God	Just fineshed brazing,bought the wrong captube though "doh" .I was hoping to purge and vacuem test it today. I live in the middle of nowhere Its 60 miles to the refrigeration supply company ,I might just get a tev instead of a captube, but I was trying to save some cash for the low temp coolent pump. Attached Thumbnails

24-September-05, 02:27 AM		#12 (permalink)
RBIEZE Apex Tech Demi-God	Went and got the captube, 2 1/2 hour drive.I found some documents on this compressor and figure its actually just shy of 1/2 HP.So im starting with 115 inches of Supco BC3 .052 I.D. captube. I started to purge it and inadvertently pressure tested it to 500 Psi with CO2 ( regulators broken)not cool .Purged it twice and pulled 29.5 in.Hg vac and its held for 3 hours .I'll purge and vac it again 1 more time to get any water out.Cant wait to charge it with some R290.I want to get this done and move on to building the case.More pics later. Attached Thumbnails Last edited by RBIEZE; 24-September-05 at 03:28 AM..

21-September-05, 04:49 PM		#2 (permalink)
MasterP Da' Thunda' From Down Unda'	Sweet deal dude! That's gonna be gnarly - Can't wait to see what you've got in store!!

21-September-05, 05:16 PM		#4 (permalink)
RBIEZE Apex Tech Demi-God	This was the first heat exchanger I made ,what a failure. I wasnt sure so I asked at the welding shop if it was possible to braze stainless steel ,apparently he was wrong.I tapped it with a hammer and the braze cracked completely off.what a waste of 8 hours fabrication heres the evaperator. 19 feet of 3/8 Acr tube here it is fineshed, what a disapointment

21-September-05, 06:22 PM		#5 (permalink)
CubanConnectionZ Apex Tech God	How did you get that free. Wow that is a big setup.

21-September-05, 07:27 PM		#7 (permalink)
Cpl Rampage Apex Tech Fanatic Supreme	sweet project, have you talked to zenz for some tips?

22-September-05, 12:34 AM		#9 (permalink)
beachbum86 Apex Tech God	woot woot. wow that is soo cool (pun intended), since you said compact, does that mean that this is gunna be indoors in like some kind of custome encloser with lights and chrome and UV.

24-September-05, 02:53 AM		#13 (permalink)
Pharaoh Apex Tech God	3 days have past and only now jealousy is setting in. I want a freeby too! Good for you though. This looks like it could go places.

25-September-05, 04:14 PM		#14 (permalink)
RBIEZE Apex Tech Demi-God	I built the charging manifold for R290 (propane) today.Ive waited 24 hours with the system at 100psi, so far no leaks .I'll charge it tonight and see what kind of temps I'm getting Attached Thumbnails

26-September-05, 03:31 AM		#15 (permalink)
RBIEZE Apex Tech Demi-God	Well no leaks so iI went ahead and charged the system . Pulled some decent first temps . I havent put a load on it yet ,but the gauges show around -15 in.Hg vac, or about -60f unloaded. This compressor purrs,really quiet.The digital display temps are from the outside of the heat exchanger shell at the evaporator inlet .Next step, finishing the liquid loop. Attached Thumbnails Last edited by RBIEZE; 26-September-05 at 03:39 AM.. Reason: corrected some spelling

26-September-05, 01:30 PM		#16 (permalink)
beachbum86 Apex Tech God	that radiator is kick'n, ive only seen the streight flat one for this kind of project. For making this a compact system that Rad. will allow better cooling per sq. in. keep up the good work, and after your done dip the whole damn thing in chrome...lol

26-September-05, 02:45 PM		#17 (permalink)
Albedo Apex Tech Fanatic Supreme	Seriously.. right now i'm sure you'll get good temps, but it looks like a hillbilly's outhouse drainage. Not that that's bad.. if that's what you're going for.. I'd make a cool little aluminum box or somthing that sits on top of / beside my case and have the tubing run out of the box and into the back of my case. You could cover the tubing in some of that metal flex tubing stuff, so that it look like mechanical tentacles or something.

26-September-05, 08:28 PM		#19 (permalink)
Albedo Apex Tech Fanatic Supreme	Yeah... noticed that after i posted... But i still think the shower tubing stuff would look sweet.

27-September-05, 01:49 AM		#20 (permalink)
Scorpionic Recycl-Hoe-tron	Wow that looks cool, I love dirty industrial type equipment! And I love stuff that says WARNING and DANGER even more!

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