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Another small Cascade - Page 3

post #21 of 27
Thread Starter 
Yeah I hadn't had anyone asking for a long time, but I put a couple together and a few asked about them but I didn't have any more made up.

Now that I have one made and one close to done no one's ready to get one yet rolleyes.gif

Not really a big deal I guess. I don't really look at this as a business or it would stop being fun again. So I make 'em and sell 'em if anyone wants one.

It's hard not to have a cascade in the shop though, done or not. I like to tinker and being a bit crazy I find just watching it work makes my brain happy. Go figure biggrin.gif
post #22 of 27
Heh thats the worst part.
Oh and forever still to go. Years and years and years. Maybe I'll crank out one or two over summer. But my old shop assistant/friend has been taking up the slack since we've had him setup and producing. I still get in a bit of idea time and we're looking forward to rolling out the website and possibly some controllers, cases, and DIY kits in the near future.
post #23 of 27
Thread Starter 
Nice smile.gif

Do you have a thread or anything on the controller stuff you're doing? I still have an old cascade controller from way back that I never used. Was a Ssilencer one. Had 2 but the other one was lost in the move somehow frown.gif

It works, but I have no idea how it hooks up and haven't gotten around to it again. Info and software are kinda lost in time but I'm sure if I dig I can find something.

Would be nice to have a simpler purpose built one though, instead of mucking with PID's or the IR32's or whatever.

Sometimes just a pair of switches is easier to deal with I guess but it'd be cool to see what you're doing with that stuff. Curious if it'd be cost effective to use some smile.gif
post #24 of 27
PID is one of the best ways to do it, no doubt, but it leaves a few options open to the consumer to push and play with buttons. We're working with an IC circuit to read multiple K or T type probes, and letting you set triggers or relays from there. I prefer using contactors though to handle the loads on compressors and such. And multiple contactors in series lets you handle safety and such easily. Instead of a HPCO wired to a compressor that leaves the power switch still on, the contactor cuts out.

Starting small and moving up but I can keep you updated as they become available or "refined" to a point we're willing to sell or let them out in the wild for other peoples units. For now, I'd say stick to PIDS and contactors and never have an issue.

For the most part though, for single stages, we are (and/or I am) pushing to bring back the small 24/7 unit. Not the benching power sucker. Small, nearly silent, easy to use and setup, and under the $500 mark when sold in a modular format (and $600 or so with a case at most). That's sorta the product goals I guess.
post #25 of 27
Thread Starter 
Cool. Would be nice to see another controller of some kind too. LD's look great but pricey for the SS stuff, and nothing fancy around for cascades.

The low power direction is where I've gone with these small cascades lately. Seem to be close to the same performance as some of the larger ones but really low consumption. Kinda like that. Not exactly 24/7 or anything but 700w load is where the white one runs and the smaller one's closer to 600w on load.

http://www.overclock.net/t/1207888/10-000-prizing-interest-in-large-canada-day-lan-and-ocing-event-toronto/590#post_16534409

Somewhere there I posted the power stuff. That 'should' link it.

But I think that's about as low as a pair of smaller rotary compressors that can still run a decent cascade will go.

At least it's less than a serious PC these days (not saying much though tongue.gif) I've seen posts saying something like 1000 to 1500w for some of the 6 core intel with a pair (or more) of high end gpu's.

Would be cool to see a cheap cooler again though. OCZ's could have been great for that, but they went with no overclock capacity tongue.gif so it was only cold at stock or a bit more. Seems silly. Wish I could have gotten into a production redesign. I've used that same compressor they had in there, 250 to 300w at a reasonable temp was possible with them. 120w was just a waste of time.

Gray
post #26 of 27
Excellent results there Gray! Great job fabricating the case too.

So this one basically has a bit larger 1st stg comp, a 20 vs 12 plate hx and better captube sizing? Same Duniek cpu evap?

You really can't beat the price/performance of those ac condenser/fan combos. The one you have there looks very similar to the kenmore/goldstar/zenith 5150btu but of course a bit larger. Do you recall the model it came out of? Most of the larger ones I've come across have the fan motor mounted on the bulkhead which makes them kind of a pita to mod.

Hope you can find a buyer. It might help to make the mounting compatible with gpu's for those SB owners.

Regards,
Drew
GRX
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CPUMotherboardGraphicsRAM
Phenom II X4 965 @ 5.7Ghz Gigabyte 890FXA-UD5 XFX HD 5850 1160/1200 vmods -15c 4GB G-Skill Flares PC3 16000 
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GRX
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CPUMotherboardGraphicsRAM
Phenom II X4 965 @ 5.7Ghz Gigabyte 890FXA-UD5 XFX HD 5850 1160/1200 vmods -15c 4GB G-Skill Flares PC3 16000 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 1TB Lite-On DVDR Vista/XP Acer 23.6" 
KeyboardPowerCaseMouse
MS Ultra 750W Benchtop FTW! Logitech 
Mouse Pad
Walmart Special 
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post #27 of 27
Thread Starter 
Yep smile.gif I wait for sales, buy 'scratch and dent' from the wholesaler, whatever it takes to get 'em cheap as I can. The price of the stuff inside would cost far more than buying it this way.

The condensors in them are amazing too. All high efficiency stuff, low speed is high enough to maintain ambient condensing temps.

But yes, I started buying the 20 plate heat exchangers. They're about 20 bucks more but they're worth the cost. It was very hard work getting the larger compressor to fit though. Not sure if I'll do that again. Had to heat and bend the outlet at the top into a 'bend' as well to get the height low enough.

I know the upsizing of the compressor and larger HX made the bigger difference, and I must have gotten lucky on the captube sizing as well. Just came together.

The condensors have been the same or close in all the small units, but I think it was a 'Ritetemp' or a Haier. I love the Rechi compressors in them. Quite a few are using them and they perform really well. Occasionally I get some oddball. Had a few strange chinese brands. They're fine, seem to last, but don't do the job that a similar size Rechi or even Toshiba for that matter.

Guess I could start including mounts for gpu as well. They're all tuned now for even the serious gpu loads. Be handy to have specs on the sizing and such. I should start playing with dual head cascades for SLI too. I should really get to having some evaps made too. If/When it sells I'm going to get the copper and talk to a guy here that can machine it for me. I'm almost out of heads again, and it takes a while and shipping costs, so making them here makes sense I guess.

But I sell 'em for about what they cost to make a lot of the time, not a lot more, so they tend to sell fast enough. Still, it's slower than it ever has been for PC stuff.

I have a local guy coming tomorrow to have a look, maybe get it, maybe a smaller cooler I put together, maybe both smile.gif

Thanks Drew smile.gif

Gray
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