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Yes in a way, there are also many other things that you could use them for with regards switching, there is timer switching, controlled switching in fact all kinds of control operated switching whether it be digital or analogue so the options are unlimited where precise switching is required for heavy loads.
Just received the new Evaporator from tom ( SoddemFX )
it’s a new revision V8-R and has a hot gas by-pass system
Although i won’t be using this function to begin with its good to know
i have it if decide i need it for cold bug cpu’s as this function will allow me to increase
The evap temp and aid in booting with cpus that won’t play ball
thanks to tom she is a beauty
http://www.benchtec.co.uk/images/baz...t/P1000051.jpg
http://www.benchtec.co.uk/images/baz...8/P1000085.jpg
http://www.benchtec.co.uk/images/baz...v8/v8r2yf3.jpg
http://www.benchtec.co.uk/images/baz...typer01kx9.jpg
http://www.benchtec.co.uk/images/baz...typer02gy6.jpg
http://www.benchtec.co.uk/images/baz...typer03tm8.jpg
here is the mount dis-mount box
taps used are from commercial a/c and have hex drive tap with brass cover
and a service point built in
the taps are mounted to a steel 90 deg angle bracket in the base which is sandwiched between 18mm on mdf on the top
and 36mm on the base
the box will be air tight when in use
still to be insulated with 25mm thick foam same as the hx boxes
http://www.benchtec.co.uk/images/baz...b/P1000091.jpg
http://www.benchtec.co.uk/images/baz...b/P1000094.jpg
http://www.benchtec.co.uk/images/baz...b/P1000099.jpg
http://www.benchtec.co.uk/images/baz...b/P1000106.jpg
http://www.benchtec.co.uk/images/baz...b/P1000107.jpg
http://www.benchtec.co.uk/images/baz...b/P1000121.jpg
http://www.benchtec.co.uk/images/baz...b/P1000130.jpg
http://www.benchtec.co.uk/images/baz...b/P1000132.jpg
http://www.benchtec.co.uk/images/baz...b/P1000142.jpg
That evap is beautiful! :slobber::slobber:
woah crazy, mad and cool stuff there bazx !
very nice evap indeed! The more fins the better, just not sure i like the triangular design of the solid copper column in the middle. I understand the idea was to be thicker at the base to absorb more heat, but I think you need a little more refrigerant there directly over the die instead of copper to provide more adequate cooling of the cpu. just my opinion tho. lookin good!:up:
yikes! the machining is incredible!
Are those 1mm slots? whats overall heigth?
great work to tom...
I absolutely love how the wiring is labled, and very super clean. This is one of the nicest cascades I have seen!Quote:
Originally Posted by wdrzal
I love your stainless flex lines mate :)
Beautiful work bazx, as expected :D
You've got a lot of new ideas in here. Any performance targets? :toast:
the evap looks like...
damn so good it looks da evap:)
This is same design evap used on High voltage Quads on Skull Trail setup. Worked SUPERB.
soddemFX is a master Guru with phase/cascade RESPECT .......
I want to see -125 @ 300w hehe
Superb evap, mate! :eek:
Quote:
Originally Posted by G H Z
well with this unit G i have put every thing in place to get the most r14 will let me have:D
also this is my first time with this gas so will just have see what she does:)
seems like brits are doing major damage :) .. really love brits!!
a true work of art!
any picures of the mountingkit?
this is still on my todo list timQuote:
Originally Posted by tim-
should have something next week:)
I like the thick bottom. It has a ton of mass and is supported by the thinner top. I think that is a superior evap design.
Beautiful work:clap:
You have a really nice idea:D:up:
amazing work m8... overall design quality and execution are second to none. hands down the nicest cascade Ive ever seen (now we wait for performance :) )
Thanks lads
Got the 1st stage under pressure yesterday 20 bar for leak testing and she still holding after 24 hour so fingers crossed
Also mounted the 3rd stage expansion tank for R14
http://www.benchtec.co.uk/images/baz...t/P1000160.jpg
http://www.benchtec.co.uk/images/baz...t/P1000164.jpg
http://www.benchtec.co.uk/images/baz...t/P1000167.jpg
http://www.benchtec.co.uk/images/baz...d/P1000172.jpg
Awesome :)
Hopefully when you bring this places they can power it :P
nice!
No sightglass?
Expansiontank is really huge :D But will be helpfull when you want an really save static pressure of course.
i dont fit them any more as i never look anywayQuote:
No sightglass?
the tank is 5.8l and i hope this will help with the static R14 when not in use
i have two of them but have decided to leave the R23 expantion out as i have never had a problem with this gas @ static
Looking good Baz, loving the pipe work mate nice and clean lines.
Although I don't understand half of it, I can appriciate the hard work gone into the build.
The brazing quality, craftsmanship, attention to detail, and planning are incredible :D
Ya ,it's a shame you just can't lacquer the shinny stuff....most all needs to be covered by insulation.Quote:
Originally Posted by sacha35
Hey you could color code & label the piping & insulation. They have tape thats color coded with arrows indicting direction of flow.Then label the major components. I sure you will be answering a lot of questions where your cascade shows up,labeling will help people understand direction of flow & whats things are.....
But you probably already thought of that........:yepp:
Forum members, if you really look @ this cascade about the only "EXTRA" parts are a few fancy quick disconnects for the electrics. And those are necessary for the purpose,portibility and ease of repair.All the rest is necessary.
It "shows" so well because of all the planning & attention to detail BAXZ and SACHA35 did. It usually doesn't cost much more in material to do a professional job ,just a little more labor. This is offset as you acquire the tools, not having to hire out work and you get faster & better with experience. Plus, professional work brings a premium price but more important "more work".
Example : You need the same compressors,same tubing,HX's, Starting & safety components, wiring in every similar unit. You can do neat professional work :up: or you can throw the stuff together to look like crap:down:.
Many customers hire you because they don't understand or do not have the ability/tools to do the work(applies to any job). So they judge your work on neatness and of course it has to function as intended............. < Thats the formula I found to build a successful business on and have customers/friends for life. It doesn't matter if doing HVAC/R/E or mowing lawns...neatness counts,and you bet your customers notice....
Keep up the great work.......
thats real nice thing to say there walt thanks mate
Made some head way today 2nd stage is now under 20 bar test pressure
i will have to get creative with the R23 receiver as i did not allow for the insulation of this part and the cold will spread out from its mount to the aluminum base plate but i have a few ideas on how to deal with it
the safety blow off valve for the R23 has been mounted in the lower section as i needed to be able to get to this part for maintenance as they sometimes don’t hold up and need to be replaced and I have some room there
http://www.benchtec.co.uk/images/baz...d/P1000180.jpg
http://www.benchtec.co.uk/images/baz...d/P1000187.jpg
http://www.benchtec.co.uk/images/baz...d/P1000190.jpg
http://www.benchtec.co.uk/images/baz...d/P1000194.jpg
http://www.benchtec.co.uk/images/baz...d/P1000195.jpg
my R23 receiver is mounted on an acryl bottom with insulation between base of unit and acryl. it works :up:
Good insulation on receiver of lower stages is very important.
Very nice, very clean :)
I am following your project and like your work mate!
thanks godmod
i will have to work something out for sureQuote:
Originally Posted by august123
but i have a few ideas
Again looking great, how much was that R23 TXV, and what tonnage it rated for? I'd imagine you don't need more then 1/4 ton of capacity.
No sight glass used before TXV? :)
Regards,
Dago
@ dago
http://www.xtremesystems.org/forums/...&postcount=124
@nol its a TEB2 danfoss part and is just for R23 dont have the specs
You can just charge by sub-cooling. You don't need to SEE the liquid to know it's present.Quote:
Originally Posted by DagoDuck
AMAZING :D
Great work like always Bazx. You never stop to amaze me :D
Beautiful work man.
Well, I hope I didn't got it wrong. The capacity rating of the valve depends on the orifice used:Quote:
Originally Posted by bazx
It was quite a piece of work, so pls don't just copy and paste..
DANFOSS ORIFICES:
angloamerican, TON
Code:Range N: -40 to +10°C / -40 to +50°F
+----------+-----------------------------------+
| Orifice | Rated capacity in tons (TR) |
| +-----------------------------------+
| No. | R22 |R407C|R134a|R404A| R12 | R502|
+----------+-----+-----+-----+-----+-----+-----+
| 0X | 0.15| 0.16| 0.11| 0.11| | |
+----------+-----+-----+-----+-----+-----+-----+
| 00 | 0.3 | 0.3 | 0.25| 0.21| 0.2 | 0.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 01 | 0.7 | 0.8 | 0.5 | 0.45| 0.3 | 0.3 |
+----------+-----+-----+-----+-----+-----+-----+
| 02 | 1.0 | 1.1 | 0.8 | 0.6 | 0.5 | 0.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 03 | 1.5 | 1.6 | 1.3 | 1.2 | 1.0 | 1.0 |
+----------+-----+-----+-----+-----+-----+-----+
| 04 | 2.3 | 2.5 | 1.9 | 1.7 | 1.5 | 1.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 05 | 3.0 | 3.2 | 2.5 | 2.2 | 2.0 | 2.0 |
+----------+-----+-----+-----+-----+-----+-----+
| 06 | 4.5 | 4.9 | 3.0 | 2.6 | 3.0 | 3.0 |
+----------+-----+-----+-----+-----+-----+-----+
Range B: -60 bo -25°C / -75 to -15°F
+----------+-----+-----+-----+-----+-----+-----+
| 0X | 0.15| | | 0.11| | |
+----------+-----+-----+-----+-----+-----+-----+
| 00 | 0.2 | | | 0.21| | 0.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 01 | 0.3 | | | 0.45| | 0.3 |
+----------+-----+-----+-----+-----+-----+-----+
| 02 | 0.6 | | | 0.6 | | 0.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 03 | 0.8 | | | 1.0 | | 0.8 |
+----------+-----+-----+-----+-----+-----+-----+
| 04 | 1.2 | | | 1.4 | | 1.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 05 | 1.5 | | | 1.7 | | 1.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 06 | 2.0 | | | 1.9 | | 2.0 |
+----------+-----+-----+-----+-----+-----+-----+
Rest of the world, kW
Code:Range N: -40 to +10°C / -40 to +50°F
+----------+-----------------------------------+
| Orifice | Rated capacity in kW |
| +-----------------------------------+
| No. | R22 |R407C|R134a|R404A| R12 | R502|
+----------+-----+-----+-----+-----+-----+-----+
| 0X | 0.5 | 0.5 | 0.4 | 0.38| | |
+----------+-----+-----+-----+-----+-----+-----+
| 00 | 1.0 | 1.1 | 0.9 | 0.7 | 0.7 | 0.7 |
+----------+-----+-----+-----+-----+-----+-----+
| 01 | 2.5 | 2.7 | 1.8 | 1.6 | 1.0 | 1.0 |
+----------+-----+-----+-----+-----+-----+-----+
| 02 | 3.5 | 3.8 | 2.6 | 2.1 | 1.7 | 2.1 |
+----------+-----+-----+-----+-----+-----+-----+
| 03 | 5.2 | 5.6 | 4.6 | 4.2 | 3.5 | 3.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 04 | 8.0 | 8.6 | 6.7 | 6.0 | 5.2 | 5.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 05 |10.5 |11.3 | 8.6 | 7.7 | 7.0 | 7.0 |
+----------+-----+-----+-----+-----+-----+-----+
| 06 |15.5 |16.7 |10.5 | 9.1 |10.5 |10.5 |
+----------+-----+-----+-----+-----+-----+-----+
Range B: -60 bo -25°C / -75 to -15°F
+----------+-----+-----+-----+-----+-----+-----+
| 0X | 0.5 | | | 0.38| | |
+----------+-----+-----+-----+-----+-----+-----+
| 00 | 0.7 | | | 0.7 | | 0.5 |
+----------+-----+-----+-----+-----+-----+-----+
| 01 | 1.0 | | | 1.6 | | 1.0 |
+----------+-----+-----+-----+-----+-----+-----+
| 02 | 2.6 | | | 2.1 | | 1.7 |
+----------+-----+-----+-----+-----+-----+-----+
| 03 | 2.8 | | | 3.5 | | 2.8 |
+----------+-----+-----+-----+-----+-----+-----+
| 04 | 4.2 | | | 4.9 | | 4.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 05 | 5.2 | | | 6.0 | | 5.2 |
+----------+-----+-----+-----+-----+-----+-----+
| 06 | 7.0 | | | 6.6 | | 7.0 |
+----------+-----+-----+-----+-----+-----+-----+
I know that there are no data for R23, but maybe someone here could calculate it. I think I can, but I don't have time now since I have classes tomorrow and its 01:00 in the morning :/
regards
Excellent work Bazx! :up: What is your tool of choice for those well appropriated pipe bends? :hm:
One Servant: it seems the working fluid is flowing in the wrong direction in that 3 stage compressor in your sig ???
No, think about it. Depends whether it is a compressor or a generator.Quote:
Originally Posted by wdrzal
AFAIK the animated pic is from Wikipedia.
looks like a generator to me.Quote:
Originally Posted by godmod
Bazx..... this thing is awesome. so neat aswell. kudos to you and w00t for the UK, you make me proud to be british. :D:D:D
I relized that, but why a picture of a generator in your sig in a PC OC'ing /cooling forum??? Reverse the flow and it illustrates a 3 stage compressor.Quote:
Originally Posted by godmod
My brain works in weird ways, just thought it wasn't noticed it wasn't a compressor.........Back on topic............
Yup, you guys are right. I added that to my sig because I thought it was an excellent thermodynamic display...most fitting for the games we play here. Anyway, I'd thought about modifying the animation for a more accurate representation but when I broke the GIF down and realized how many frames it was composed of...I decided against it. :D
Man, I just love you engineers! Forgive me for I'm a lowly psychologist. Did you know that 95% of all engineers' personalities fall into the same category when tested with one of the most common instruments (the KTS-II)!? Wdrzal, I would bet money that you’re a INTP…
...sorry, I know we are way off topic now so I’ll stop this distraction…but if you’d like to read about yourself check this out: http://www.keirsey.com/handler.aspx?...=5&c=architect
Hehe, I understand ;)Quote:
Originally Posted by wdrzal
I saw it before on Wikipedia and thought about it, so thw pic was familiar
edit: nice one_servant, ill read that :)
Been a busy boy today
i now have all 3 stages under 20 bar test pressure and will leave it like that until Wednesday and then will begin vac down and fill
i also have the evap mount complete which leaves the brazing on toms V8-R evaporator
the last job before load testing
here is some info on how I painted the pipe work
1. Bend fit the pipe work for the stage I am working on
2. Take out the pipes that need to end up painted
3. Paint them using a spray can but leave the ends still copper for brazing
4. Reassemble and braze in using a damp cloth around the pipe being brazed to absorb the heat
5. Mask off the rest of the parts you don’t want painted
6. paint
http://www.benchtec.co.uk/images/baz...t/P1000199.jpg
http://www.benchtec.co.uk/images/baz...t/P1000202.jpg
http://www.benchtec.co.uk/images/baz...t/P1000206.jpg
http://www.benchtec.co.uk/images/baz...t/P1000210.jpg
http://www.benchtec.co.uk/images/baz...t/P1000211.jpg
here is the rest of todays work
http://www.benchtec.co.uk/images/baz...e/P1000218.jpg
http://www.benchtec.co.uk/images/baz...e/P1000220.jpg
http://www.benchtec.co.uk/images/baz...e/P1000222.jpg
http://www.benchtec.co.uk/images/baz...e/P1000224.jpg
http://www.benchtec.co.uk/images/baz...e/P1000234.jpg
http://www.benchtec.co.uk/images/baz...e/P1000240.jpg
http://www.benchtec.co.uk/images/baz...e/P1000245.jpg
http://www.benchtec.co.uk/images/baz...e/P1000248.jpg
wow bazx, what a clean work! i am really impressed!
i hope you have pressuretest the unit before painting, i've got to work with some units that someone had painted the piping on which where leaking.. not fun at all.
cheers.
Tim
Looking great still. Was justl ooking through thread again, why do you have another smaller condenser/desuperheater/coil down below with the big one?
thanks godmod
tim its not to bad to remove just some wire wool
adam i was going to put a water dsh in the first stage for when it gets to hot here in the summer
but changed my mind when i got the smalled candenser you can see for nothing
from an old cooler
i will be able to turn the fan on and off on the dsh if its to cold out or winter
amazed!:) from what he did till now(the way is perfectly looking) he must have check it for leaks;) congrats!
bend perfection :ocau:
It looks cold bazx :up:
Superb work Baz, cant wait to see it running :D
This is just looking to good baz, i will have to work harder now i have seen this work, well done mate it's looking Ace.
Very good build and well thought out, well done!
I guess my next statement is all down to personel taste. The yellow pipework looks ming.
beautiful, beautiful... sub'd
i see where your coming from... but i think the blue/yellow go together wonderfully. if it was not cased i think it would look silly, but idk how to say it... just looks so innovative i guess.Quote:
Originally Posted by barbus
great work mate :D
Too sick, Way too sick!
Very nice Berrie.
Quote:
Originally Posted by gosmeyer
hope you dont mind i have used your evap mount for toms v-8 evap
Ooh...prettiness battle comin up between the masters? :p:Quote:
Originally Posted by sacha35
hehe coming upQuote:
Originally Posted by Gautam
its been going on for 2 months now:D
and tbh paul has me beat when it comes down to fine detail
Absolutely not:up:Quote:
Originally Posted by bazx
cheers ericQuote:
Originally Posted by gosmeyer
hehe did not expect to be able to use the removable electrical control box so soon
there has been a delay in my plans as the first stage compressor failed to work
but the two weeks while i waited for the new unit were not wasted as i rewired my shed and upgraded the power supply also managed to brase up the evaporator and cut down my work bench to allow me to push the cascade in the same spot where cascade 4 used to sit
also fitted the solenoid for the hot gas by-pass to the evap
http://www.benchtec.co.uk/images/baz...g/P1000256.jpg
http://www.benchtec.co.uk/images/baz...g/P1000278.jpg
the evap next to toms V8-R is a chilly clone i included a shot just to show how big the v8 evap really is
http://www.benchtec.co.uk/images/baz...g/P1000273.jpg
http://www.benchtec.co.uk/images/baz...g/P1000264.jpg
http://www.benchtec.co.uk/images/baz...8/P1000085.jpg
shot of the hot gas by-pass solenoid this ill allow me to "warm up" the evap to get past any cold boot problems by just pressing a button hot gas will be taken from before the hx and piped straight to the evap face
http://www.benchtec.co.uk/images/baz...g/P1000263.jpg
gassed the first and second stage also
as you can see the the panel xt120c with pt100 prob are around 10c out to my fluke with k prob mounted in the same location
http://www.benchtec.co.uk/images/baz...g/P1000262.jpg
nice to see some frost on the unit @last
http://www.benchtec.co.uk/images/baz...g/P1000279.jpg
Nice one baz, all starting to come together now, not long now before we start to see some ice on that amassing evap that Tom made, I just cannot wait to see what she can do.
you would not believe how much noise this thing makes i will need ear protection:D
the last stage is going to take a bit of time to tune
i will put the hot by-pass cap tube and the liquid line cap on tomorrow night
and mount the line set then probably gas the the third stage tuesday
after that it will be down to load testing and adjusting the cap tube length for the the evap which is the bit that will take the time
Awesome job, the only thing that I have against it is that it's ment to be "mobile".
It isn't very mobile when you need three large power sockets wherever you park it. :P
thanks for the kind words lads and sorry for not keeping this up to date i have had an event here i34 that just about sucked the last of my strength
update:
after alot of work i failed to get the unit working on R14 (this is the gas that would give me -130) so to get the unit working for i34 i put in R1150
which is giving me a solid -107 loaded
i will stick with this gas for now as i want to bench for a while
i have a few ideas on how to get the r14 working but it can wait for a month now
just been setting up a rampage extreme with a 8600 for the weekend so will have some fun on my own for a change
just had 620fsb out the box on stock air so its looking good
wait- ive been following this thread but i appear to have missed this-
r404a on first(or 507a w/e) but r23 on second? r1150 on third? what kind of capacity are you getting with ethylene on the third?
Insane capacity, it's going to be rather low pressure though I imagine.
EDIT: Like I said at Benchtec Bazx, your long liquid run is dooming you I think.
507tev, 23tev, 1150 capQuote:
Originally Posted by teyber
this is the setup as of now
nol i want to mount a modded tev for the r14 on the back of the evap some how so that will take a bit of work
I don't suggest it, an even larger liquid line? No way. You should be out the bottom of the plate hx, and right to your evap.
I know you want that quick change box, so maybe move it much closer, or run 1/8" tube or something from plate hx to the box.
there will be problems with this for sure but i want to try any how
i will set-up a test evaporator first just for the experiments
the pipe work will have to change from the hx to the mount box i would also think
i enjoy this part of cascade building the most, trying different solution
I totally understand, my favorite part too :)
Please tell us bazk! What do you do in your spare time(you know for fun) LOL
well i slept all day today much to the annoyance to all around me:)
wow been ages since i read this thread and you've done ALOT of work there
great stuff mate!
eva i have been very lazy today i sould have been benching :DQuote:
Originally Posted by eva2000
i will post up some images of the unit tomorrow for sure with some results
bazx -- You mentioned earlier that you were having problems getting the final stage to work with R14, but apparently have had some success with the R1150. Ever think about doing a mixture of both the R14 and R1150, and perhaps installing a subcooler? It works great on autocascades with R14 and Argon, and I don't see why it wouldn't work with what you are doing. In fact if you want to avoid the cost of R14, try ethylene and methane (with a subcooler). Should be similar to the R14/Argon mix, but just not as cold.
yes i was thinking of trying r14 and then adding 1150 bit at a time to see if that got the stuff moving altho i am not sure if i would want to get into blends at this stage of my development but wont rule it out as i am keen to succeed with this gasQuote:
Originally Posted by mytekcontrols
could you explain your subcooler a bit more for me mytekcontrols so i could understand better
i have been sidetracked with one of august123 txv mods that he used with r14
i like the idea of mounting a txv on the back of the evap and his r14 mod seems to work
I've attached a diagram that should make it a little clearer as to how the Sub-Cooler works.
Basically it steals a fraction of the condensate passing through it, and evaporates this in the suction side counter-flow to the discharge. Since it is essentially isolated from the return path of the evaporator, it is also isolated from any returning heat. Thus it'll tend to maintain a colder temperature then the evaporator (especially under load), and help to subcool the liquid passing through it. When subcooled, there is a greater tendency for absorption of any non-condensibles passing through as well (Argon or Methane). When this condensate consisting of subcooled refrigerant and absorbed gas is later evaporated, it'll do so at a temperature somewhere between the two refrigerants boiling points. So in other words; Subcooled R14 with absorbed Argon gas will boil colder then R14 alone.
The same should tend to hold true for a combination of R1150 and R14 in your system, assuming that you can obtain temperatures below the boiling point of the R1150 within the Sub-Cooler. On the other hand this would be a mute point if you could already obtain temperatures and pressure to fully condense the R14 in the first place.
I hope that answers your question.
thanks for all the work you have done mytecQuote:
Originally Posted by mytekcontrols
i will have a think on it all:)
bench some today had the unit running for 3 hours without any problems
held -107 solid right thro
E8600 @1.88v
RampageX
ballistic ram
http://www.benchtec.co.uk/images/baz...b/P1000545.jpg
http://www.benchtec.co.uk/images/baz...b/P1000548.jpg
http://www.benchtec.co.uk/images/baz...e/web/bing.gif
http://www.benchtec.co.uk/images/baz...b/untitled.gif
http://www.benchtec.co.uk/images/baz...b/P1000552.jpg
http://www.benchtec.co.uk/images/baz...b/P1000551.jpg
No prob, just thought it might be of some use.Quote:
thanks for all the work you have done mytec
i will have a think on it all
Still loving your unit. Wow what fantastic craftmanship has gone into it! But it sure is a big monster of a unit (I think I just saw my lights dim --- did you just turn it on? :D).
it is a beast for sure and i must say it holds load like nothing i have built beforQuote:
Originally Posted by mytekcontrols
but this one was suposed to be coolder than -107 so still work to be done
i had planed cascade 7 to be an auto cascade unit so i will need lots of help with that :D
and you are one of the guys i will be pm ing:p:
Whats your third stage pressure running at with r1150?
11/12 barQuote:
Originally Posted by n00b 0f l337
edit third stage is now 7bar after comp swop to 12000btu and a better vac job
Really?
Ah forgot the 2nd stage is R23 not R1150, that's some really nice load, even though you must be running in vacuum :)
I cant wait to see a Bazx Autocascade, you do seem to have most of the refrigerants now and sitting. I'm rather jealous ;)
Im Sorry I dont read the entire thread again :D
I have read it a few times already :D
But why did she die bazx ?
Btw next time you speak with barron and busta please give them my regards and say Tits UP from me :D
Hope to visit them one day and bench again :D
hehe she is alive:D i have just been benching with the unit for a whileQuote:
Originally Posted by Nosfer@tu
until i get the strength to work with r14 again
i will be working on the side panels soon
i have all the fans now as i need to get the panels on and make it quieter it is very loud
i am glad you enjoyed working with my team mates they are very dedicated and make me proud:)
Hi mytek, I was just wondering if you already had an idea on this question :Quote:
Originally Posted by mytekcontrols
Do you really get lower temperature at same cooling capacity with a subcooler than with the gas itself evaporating at lower pressure, assuming in both case you've got the same compressor (of course) and assuming it is a rotary one (it can be much harder to run at very high pressure ratio with recip and their biger (in most cases I've worked on) percent clearance)?
Baz wants to get a decent capacity prior to go as low as possible and I see subcooler more as a way to reach lower temperature with a given gas/blend than a way to get a lower temperature and get the same capacity in the end, but I may be wrong I don't have your knowledge about this so I'm just asking :p:
so clean and pro looking, great to see it doing its job
Yes they are Good guys for sure :DQuote:
Originally Posted by bazx
If I read correct. You reuse the old compressors from the other projects to make this unit...
If so you should sell them instead. I mean the entire cascade because your work needs it own class :D
You make it look so BEAUTIFULL :D
Very good questions. Now let me see if I have some good answers ;).Quote:
Hi mytek, I was just wondering if you already had an idea on this question :
Do you really get lower temperature at same cooling capacity with a subcooler than with the gas itself evaporating at lower pressure, assuming in both case you've got the same compressor (of course) and assuming it is a rotary one (it can be much harder to run at very high pressure ratio with recip and their biger (in most cases I've worked on) percent clearance)?
Baz wants to get a decent capacity prior to go as low as possible and I see subcooler more as a way to reach lower temperature with a given gas/blend than a way to get a lower temperature and get the same capacity in the end, but I may be wrong I don't have your knowledge about this so I'm just asking
Do you really get lower temperature at same cooling capacity with a subcooler...
This would probably be a NO in most situations. Since the subcooler as I showed it, requires about 1/3 of the final flow to be diverted back to feed it. Probably resulting in a net loss in capacity. Although there could be exceptions, depending upon improvement in the quality of the final condensate. For instance; if the pressure, temperature, boiling point relationship without the subcooler were less than ideal for the refrigerants involved, the portion of refrigerant blend that was condensed could also be less than ideal. By adding additional cooling via the subcooler, theoretically the improvement achieved in condensing gas into liquid, could out weigh the 1/3 diversion in final flow.
...I see subcooler more as a way to reach lower temperature with a given gas/blend than a way to get a lower temperature and get the same capacity in the end...
Yes the subcooler's main purpose is to achieve lower temperatures with gas blends, and as I pointed out, usually requires a sacrifice in capacity to bring this about. This would be especially true for gas blends that have a component with a boiling point far below the systems ability to condense it (Argon).
When you have such a huge compressor being used though, and your really just using that to run into lower suction pressures, it might massively outweigh it to have a subcooler, run a higher suction pressure, and get lower temps.
True. And it would also benefit the compressor, having better cooling, due to the increased mass flow (e.g.; higher suction pressure).Quote:
When you have such a huge compressor being used though, and your really just using that to run into lower suction pressures, it might massively outweigh it to have a subcooler, run a higher suction pressure, and get lower temps.
It is a difficult thing to accurately predict, but I think it would be well worth a try. Especially since a subcooler is very easily constructed, and really doesn't need to be very big in order to do its work.
With the size of compressors he's using on that build, I'd say it'd be completely worth it. Perhaps R507 on 1st stage, R1150 on 2nd stage, R1150/Argon on the 3rd stage with the sub-cooler or retry R14 with R1150 on the 2nd stage.
lads just a quick update on the 3rd stage i have swapped out the 3rd stage comp it is now a 12000btu still on 1150 for now but pressures are much better HP 7bar 5 inch idle 1 ish loaded
And temps?
Sorry bro, but good dual stage can make this temp with this cpu ;)Quote:
Originally Posted by bazx