hehe i just pulled a single apart and took a few old pieces and
3 hours.
hehe i just pulled a single apart and took a few old pieces and
3 hours.
Last edited by kayl; 10-08-2006 at 03:52 AM.
Noice very noice. I geuss you can do that when you got all your materials.... Damn.... Temps? Or are you evac'ing?
If you have a cooling question or concern feel free to contact me.
-100c in few hours
cool cool cool!
thanxs guys.
hatemi 3 hours included vacuuming.
she almost at -100c now actually, -90c.
these are the compressors used.
1.39A motor ?? it draw 1A from the main about 240w.
maybe 1/3 or 1/4Hp ?? anyone know.
You get some mighty results with those small compressorsI'm guessing they are about 1/4hp or so...
How is the first stage doing? the second stage is easy, the first stage is the real challenge. I have serious problems in my cascades first stage after teh second stage evap has reached -20c... the evap drops to -70 in a minute or so but the HX exit rises to -15c and keeps rising.... when the second stage is at its final temp at around -102 the HX exit is about -40c but it just cant handle the pulldown
cool cool cool!
impressive is very Fast
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Originally Posted by hatemi
You get some mighty results with those small compressors
How is the first stage doing? the second stage is easy, the first stage is the real challenge. I have serious problems in my cascades first stage after teh second stage evap has reached -20c... the evap drops to -70 in a minute or so but the HX exit rises to -15c and keeps rising.... when the second stage is at its final temp at around -102 the HX exit is about -40c but it just cant handle the pulldown
at -96.6c it was holding -35c hx out.
frost all the way back to both compressors but no ice on compressors any more.
i havnt been watching hx temps much mainy make sure its flooded and second stage pressure isnt too high.
tunning on the fly here, single set refrigerant gauges.
always keeping high side attach 2nd stage.
ethylene is so much better than co2.
i cant wait to try my 1Hp rotary's
Last edited by kayl; 07-15-2005 at 10:30 AM.
Now when you let temps get to ambient and start the first stage->wait-> start secod stage-> you will see where the challenge lies.
cool cool cool!
I would even get that in a year :P lets say 3 hours....what are the costs?, this time
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nice work!
hey guys what temps i could reach with two 1HP compressors and ethylene?
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C.R.E.A.M.(Clock Rules Everything Around Me)
Nice kayl, keep us posted with this project.
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thanxs guys
lots of reading and your off to a start.
royal next cascade is going to be 2 1hp rotarys
well i fired it up to night and it hit -100c staight out.
-45c hx out.
then off to the computer for some benching.
was holding about -86c running pI 1M runs.
no signs of oil clogging, early days yet though.
little low gas second stage 10Hg, first stage was running fine and strong.
and power consumption 2.6A at 240v 642w.
now this is a cheap cascade to run.
What kind of HX did you use? -45c is just awesome for first stage
cool cool cool!
What are the costs of electricity in australia? per kw?
Last edited by Waus-mod; 07-16-2005 at 07:37 AM.
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Impressive
Im having some fun with R23. The temps are very close to CO2 idled but load if a completelly different story, R23 owns CO2
What are your load temps?
Does like I'd imagine -85 some
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Hey berkut you're back! What happened to your "next gen" cascade, that was looking like it beat down all the other cascades ever made.
kayl, what gases are you using? propane/co2 or what?
I think he's using Ethen now.
its on a hold now till i get some more founds and there is a possibility i will abandone the project as im in to quarter mile racing.
Gkiing as jan said ethylene, I finally got some.
classic HX, 12foot ¼” inside of ½”, its from my first co2 cascade.What kind of HX did you use? -45c is just awesome for first stage
If I put more 1150 second stage though the hx has to work harder and temps not as good, but a bigger compressor first stage could change that later.
1kw is 12cents AUS or about 9.36US cents an hour.
So this thing cost me about $1AUS for 11 hours.
Sounds good berkut, now you need some 1150 though. r23 would be much better than c02 though
Last edited by kayl; 03-07-2006 at 10:40 PM.
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