Hi guys, let me introduce to you a new product from Italy.
and this is mine:
in some days i'll post some test regarding the difference beetween the normal ddc (8w) and the same DDC with OclabsTop.
Sorry, but I don't have any other top like petra or alphacool to compare.
Ciao
You got a PM me dude regarding this!!
Very nice i like!
you got the reply
Ahhhh Italian sense for the design. Very nice. Me like it
It would not offer Ferrari-sh performance compared to other tops, but I guess that's not that much relevant as it would be rather similar. However, top marks for the design! I see that you included also the led hole. Personally, I dislike the Alphacool top design, but it does offer mount flexibility. This one is definitely perfect mach for the already great pump.
Those barbs are nice and black, but I'm not convinced about the quality. Is that your personal choice ?
If I were you, I would include M4 (or short #6/32 x 4mm thread - not sure how much clearance is there) for the purpose of mount flexibility. Ideally, if someone can bundle the top like this with the flexible anti-vibration/noise-reduction mounting system similar to this ... that would be one seriously good product :-)
I just seen the video of them being made and wow, that CNC machine is a beast!!
Hello to everyone, I am very happy to read positive comments about the design or the aesthetic of my creations and as I am who designed this PlexyTop, I would like to post some infos regarding this project
The dimensions is 62x62x19mm (metric) or 2.44x2.44x0.75inch (UNC). The flowrate with the Laing DDC Basic pump and 1mt of 12mm (like 1/2") ID tube is over 720 lt/h (190 GPH or 3.16 GPM). I think that I'll be able to post the official graphs by tomorrow for either DDC 1T and 1T-Plus pumps with the excact flowrates numbers.
To make possible this kind of performance, wasn't easy at all, I have had to design and test six different kind of prototypes and to test them in different situations to reduce noise and vibrations. The main problem during the R & D was the low mechanical resistance of the plexiglass as a material and the geometry that couldn't allowed me to catch up high-end performances. So at this point I decide to change the design way and to introduce the concept of the variable geometry as was possible into this project.
If the admins/moderators could permit me, I would like to post the link ( http://www.oclabs.com/particles.php?docid=1312 ) of the official article, if will be any kind of problems please edit my post. As you can see the variable geometry concept - I am sorry for the bad transation - allow to the pump's propeller to work in optimised conditions, here is the pics:
The prototypes I made was the following: direct output 6, 9, 10 and 12mm ( http://www.oclabs.com/res/articles/1312/proto1.jpg and http://www.oclabs.com/res/articles/1312/proto1.jpg ), their performance wasn't up to 600-650 lt/h (158.5-171.7 GPH) and the main problem was that the propeller doesn't worked well. The following pic will show you what i mean:
So, after two month that I was worked to make possible this project, I think that I have reach a nice work
Kind regards, Nikolaos Kavvadias
Hey Nikos
I know we were exchaing e-mails earlyer today, is there a plan to one with 2 option on the inlet at all?
Just out of intrest but i will defo be having 7 of these. Love that video of them being made. Wish i had that CNC rig in my workshop
Pete
Edit:
Nikos's link in English
Last edited by Pete; 03-08-2007 at 01:39 PM.
Dear DVL73, these type of barbs it's our new specific design and perhaps their look remembers the common plastic barbs like delrin, nylon, pvc, etc... The material is ABS and his mechanical properties are the best one for the work we need to make either on this PlexyTop and on our other products. It's very resistence and it's about two or three times harder than other plastic material to broke. The melting point it's over 200 C degres and begins lost the resistance over 100-150 C degres, so I don't think that's will be a problem, isn't it ? I think also that if the wateblock goes over 100-150 C, then we'll not to worried about the barbs or the waterblock but for the cpuOriginally Posted by DVL73
Dear Pete, I'm sorry but I think that I'm not be able to understand very well your question, if you may intend that you need something like a PlexyTop with two barbs for the inlet flow, then I think that you may use e common 1/4Gas Bsp double barb like this one:
Kind regards, Nikos
EDIT: Pete, if you want to see some other movies and animations, you can go to the official page that you emailed us and you can click on the left side on the bottom to "Movies & animations".
Last edited by Nikos; 03-08-2007 at 02:54 PM.
Like the Alpha cool top. Has a central top inlet like yours does but also has an inlet next to the outlet.
I shall go check them other vid's now dude!
Still awaiting your reply about the tops!
The coveted "Blue Impeller".
Could you take some pictures of the impeller showing the suction volute?
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I noticed on the first version of pics that something is not exactly "right" with the area around the impeller/rotor ... but I was not quite sure if maybe it's just viewing angle or something else
Interesting ...
Ah ... I see, that would explain. ABS is more than sufficient
Personally, I don't like the plexi + metal/silver barb combination and black barbs in your case are really nicely matched
The DDC with the blue impeller better than the one with the orange impeller?
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Blue impeller is a newer rev so it should be better in some way.
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"should" be, but newer isn't always better
Petra has one though that he's testing IIRC, so we'll find out.
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any chance of you guys shipping out just your barbs to people? those sound pretty dang nifty for screwing into plastics. i'm not a fan of plastic + metal either. metal barbs for metal block-tops, ABS for plastic sounds like a new rule
I should be done with enough of the testing sometime tomorrow to post some pretty PQ curves (with power consumption)
...and I'll also toss in some data for the DDCT-01s (slight performance increase over the current DDCT-01 top and it provides full compatibility with the blue impellered DDC pumps). I know, it's not the DDCT-02...but you'll just have to wait for that one.
I'm doing science and I'm still alive...
I have had consider your request in the R & D phase and I have discovered that this choice would create some problem like more vibrations and noises when the air will traps to the secondary inlet channel, so I decide to not make a second inlet channel until I’ll be not able to solve this problem.
Is this one the pic you may want to see ? The Blue has 8.00mm (0.315inch) and the Black has 12.00mm (0.472inch) hole.
Is this one the pic you may want to see ? The PlexyTop inlet is also 8.00mm as the Blue impeller diameter and the other dimension are 40.00mm (1.575inch) diameter that’s exactly the same as the original DDC Tops. I also made a couple of experiments with 38.00mm diameter and I see that there is a performance lost from 5 to 7% in the flow rate. As finally thing, I would like to underline that it’s impossible to go over 40.00mm because there are mechanical problems and limits.
If the orange impeller has the same dimensions of the black one, then the orange impeller will be perform 5-7% better on the same DDC basic pump.
Kind regards, Nikos
Nikolaos "Nikos" Kavvadias - OCLabs products designer.
how does it sound?
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I wander what happened with different inlet mods to the top of the impler. It clicp on an off with a twist so dead easy to drill it.
So could we not only see top mods but impller mods too.
I've modded me 3 wroking DDC rev 2's and very imprssed. 1 came doa
Thats odd as my blue has 12mm!!!
Any plans for this in delrin?
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Hello, we've just modded the Blue Impeller and make it from 8 to 12mm inner diameter. In a couple of hours will be online the first pics and after we'll be post the official results. In meanwhile you can see the FourDoors's results:
Kind regards, Nikos
Nikolaos "Nikos" Kavvadias - OCLabs products designer.
I'm confused with the restults to whats what on them...can you do an English version...sorry to be picky
I believe it's liters/hour which would put it at 3.17 gpm putting it at slightly under the performance of the alphacool top unmodded.
Last edited by ramenchef; 03-09-2007 at 10:44 AM.
Alphacool as Petras test is
DDC+ w/ stock Alphacool: 12.00V -- 3.19 Gal./min.
And Petras top
DDC+ w/ Petra's Top: 12.00V -- 3.5 Gal./min.
How ever that i belive is the pump pumping away and not in a loop as such!
Pete
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