Some more T-Line vs Res Rubbish (real data too)

[MaxxxRacer]

After my inital testing that showed a 5/8 OD fitting res (thankyou weapon) performed better than a 1/2" OD T line setup.

After my tests niksub1 PM'ed me and offered me a 5/8" T-Line and I very excitedly said yes.

I recieved it a few days later and its kinda been sitting around, but tonight i got around to testing it out against my 5/8" res.

So after some quick tests with the differential pressure meter I found that infact a 5/8" OD T-Line does infact provide SLIGHTLY higher flowrates than the 5/8" res. The t line does win, but by a small margin. the res also only beats the 1/2" t line by a smalll margin too so its all not the biggest change.


Here is the breakdown of flow from greatest to least

5/8" OD T-Line
5/8" OD fitting Res (dual 5inch bay tundra)
1/2" OD T-Line


i really have no idea where a 1/2" OD fitting res would fit in here. based on the test results above i would surmise it would be right below the 1/2" OD T-Line.



So i suppose things are settled now. Not what I previously had thought but atleast things were close. Essentially the difference between the worst and the best is around ~.1gpm on the AQX50Z.

[Weapon]

After my inital testing that showed a 5/8 OD fitting res (thankyou weapon) performed better than a 1/2" OD T line setup.

After my tests niksub1 PM'ed me and offered me a 5/8" T-Line and I very excitedly said yes.

I recieved it a few days later and its kinda been sitting around, but tonight i got around to testing it out against my 5/8" res.

So after some quick tests with the differential pressure meter I found that infact a 5/8" OD T-Line does infact provide SLIGHTLY higher flowrates than the 5/8" res. The t line does win, but by a small margin. the res also only beats the 1/2" t line by a smalll margin too so its all not the biggest change.


Here is the breakdown of flow from greatest to least

5/8" OD T-Line
5/8" OD fitting Res (dual 5inch bay tundra)
1/2" OD T-Line


i really have no idea where a 1/2" OD fitting res would fit in here. based on the test results above i would surmise it would be right below the 1/2" OD T-Line.



So i suppose things are settled now. Not what I previously had thought but atleast things were close. Essentially the difference between the worst and the best is around ~.1gpm on the AQX50Z.

lol - I had a bag of 5/8" OD t-fittings setting here when I modded your res - I meant to throw one in the box but forgot to before I sent it off. Do you have any pics of the 1/2" and 5/8" t-fittings you were using? some of the 1/2" t's are disgustingly restrictive. I have one I picked up at a DIY store that is 1/2" OD barbed but the flow channel through it looks to be about the diameter of a pencil...not good.

anyway, good info Maxxx. :)

[RaptorRaider]

You've done these tests by putting the reservoir/T-line right in front of the inlet of a 50Z?

[MaxxxRacer]

lol weapon... good to know that... lol... its ok.. now i got a bazillion fittings of all different sizes... and im getting 20 more in tommorow.. sigh...

the 1/2" t lines i have are the ones from dangerden. the ID on them is good. its .401 inches measured with the caliper.. so u only loose .1 inches...

the 5/8" Od t line is .5178 inches ID.. so it gets u the real 1/2" that u want.. hehe.

Raptor, yes the res/T-Line was right before the inlet of hte 50Z. due to the differntial pressure meter fittings there was a distance of 20cm from the tip of the 50Z inlet to the tip of hte res/T-line outlet.

[nikhsub1]

So Maxxx, what performs better? The tee or the res? Not stated? Or am I blind?

[Pessimisten]

So Maxxx, what performs better? The tee or the res? Not stated? Or am I blind?
So after some quick tests with the differential pressure meter I found that infact a 5/8" OD T-Line does infact provide SLIGHTLY higher flowrates than the 5/8" res. The t line does win, but by a small margin. the res also only beats the 1/2" t line by a smalll margin too so its all not the biggest change.

[nikhsub1]

Then my theory is correct.

[kone]

Where can found the 5/8" OD T-Line?

thanks

[fareastgq]

so the 5/8 OD fittings will fit tightly around 1/2" ID tygon? 1/2" OD fittings are bad, I need to find better ones. I don't know if it will really matter with my ,md20rzt but every little bit helps, heh.

[The Mofo]

Weapon, what kind of T is it? I need a 5/8's, pm me if youre willing to sell one. Thanks

[MaxxxRacer]

www.mcmaster.com guys.. they have them. here is the part number. 2808K174


fareastgq: some larger fittings and larger tubing would most certianly help out with any undue restriction in your setup. I know for my iwaki, i run 5/8 fittings and 5/8 ID fitting whenever I can.



(and now the mad rush to buy 5/8" T-Lines begins... for .1gpm).... we are sick.... all of us

[fareastgq]

www.mcmaster.com

(and now the mad rush to buy 5/8" T-Lines begins... for .1gpm).... we are sick.... all of us

Mahahahahahhaha!!!

[Special_K]

lol

a pack of 10 plus shipping to UK is overkill for K

does anybody want to split their pack and sell individual T's?

[Trice]

Guys I just bought a bag of these (thanks Maxxx) so I will have some left over. If you are in the US all you have to do is pay shipping and you have one. Its like 6.90 for 10.

I may keep a few just in case, for whatever reason though. So I guess I have like 7 or so.

[Brandon_Tyler]

Yes, we all may be sick, However since you're our fearless leader Maxx that makes you the sickest. LOL


-B!

[MaxxxRacer]

hmm....

clone arrmy....

if george lucas can do it... so can i

[K.I.T.T.]

erm.............can someone post one to the UK? :( :stick:

[Disposibleteen]

hmm....

clone arrmy....

if george lucas can do it... so can i
:lol: Your word is taken like the word of god in this section maxxx. I dont think all of the res manufacturers like you endorsing those Ts like that. Now everyone and their mom will have a T line instead of a res.

[MaxxxRacer]

Well dont take my word as god. not a good idea. The t line thing illustrates this. I used to believe that res' would be better. but turns out im wrong...

I dont think res manufactures are too worried about me. Its not like my test results will be shown at every watercooling forum and website in the world.. and even if it were there are still those who like res better as its way easier to bleed.



on another note i just started testing with my water probes. running them inline right b efore and after this BIX2.. im getting super screwy results. and I swear the thermocouples are accureate as i zero'ed them before using them..

the more testing i do the more confusion i get...

[freecableguy]

www.mcmaster.com guys.. they have them. here is the part number. 2808K174


fareastgq: some larger fittings and larger tubing would most certianly help out with any undue restriction in your setup. I know for my iwaki, i run 5/8 fittings and 5/8 ID fitting whenever I can.



(and now the mad rush to buy 5/8" T-Lines begins... for .1gpm).... we are sick.... all of us

0.1 gpm with your pump and setup could be 0.02 gpm with a higher head pump that already had more flow. Point is that everyone will have to test for themselves...

[BRiT]

it's only a sickness if it's an unwanted condition... ;)

[MaxxxRacer]

freecableguy, the test was done on the AQX50Z and not my iwaki if thats what ur post was refering to.

but either way, very true.. .1 gpm coudl translate to less or more. though is should stress i didnt go check on the PQ curve how much the difference was. i just looked at the pressure readings. i didnt feel like spending 20 minutes in photoshop looking pixel by pixel how much it was.. got tired of doing that after the 3rd of 4th time. so it could be slightly less than .1 or more than .1.. but in any case its not much...

[bfx]

Thanks for info MaxxRacer.

I was leaning toward going with a t-line anyway as a res tends to leak sooner or later.

bfx - stumbles off to check on 5/8' fittings for mc650 pump .....

[MaxxxRacer]

no they dont have 5/8 fittings for the mcp650...

[STEvil]

what would be another neat (and another .1gpm maybe lol) test would be to test the affect of hose length on the inlet of the pump.

A long hose (for very uniform input) might increase flow slightly over say a super short run which would have a lip at the input of the pump and just barely before it at the fitting to the res and might cause cavitation..

Although past 4-6" of length I doubt it would be a measurable difference :P

[MaxxxRacer]

sure it would be measureable.. u underestimate my pressure gauge... and my mag flow meter will be able to measure it too.. -+0.5% accuracy. but the mag flow is not setup yet :(

but i will try that tonight... and yes im really really bored..

though im still baffled by the f'ing temps on the rad...

[STEvil]

I know it would be measureable, but I think it would be at best a .1gpm gain (ie: hardly measureable, as in not worthy, sorry, bad wording before ;) ) and only affect systems where the T-line or res are right up against the pump.. and the smaller the pipe the larger the difference i'd assume also I guess.

[MaxxxRacer]

ahh ic.. prollly very small.. but worth considering.

but the thing is that the shorter the tubing the less the restriction in the system.. so having extra tubing kinda negates any benefit u would get. and with the 5/8 tline its so large that it has an ID that is slightly larger than the 1/2inch tubing making it less restrictive than a chunk of tubing..

[STEvil]

of course, but uniform flow into the intput of the pumps impeller is probably more important than putting the pump direclty against the res or t-line (assuming this creates restriction due to the angles on the fittings being so close together, or cavitation, or induced rotation on the water due to proximity, etc) and more important thatn the restriction the ~3-6" of hose on the input would have.

The other way to do it that would work the best would be to have the res as part of the pump impeller body itself...

[MaxxxRacer]

the DDC in the apple G5 does just that sorta.. it has the res as part of the pump.

[bfx]

no they dont have 5/8 fittings for the mcp650...
Thanks for the info. Might be a good thing as trying to fit 5/8" tubing to a dual cpu setup would be more crowded.

bfx

[MaxxxRacer]

ya prolly... lol.. just stick with 1/2inch for most everything.. besies there are no 5/8 OD fittings for most of the blocks on the market.

[RaptorRaider]

erm.............can someone post one to the UK? :( :stick:
Same.

If someone would be willing to send one to the Netherlands, that would be much appreciated.

[MaxxxRacer]

im sure someone here in the u.s. will buy a baggie of 10, and will be nice enough to ship them out to EU.

[STEvil]

I should buy a baggie of ~30 so I have some myself.. can only get them at one place in town.

[Notten]

Well, I live in sweden and have a box of 5/8 tlines incoming and I'd be glad to send maybe 6-7 abroad to those who need one........you gotta pay for the shipping though ;)
But it will probably take a little time though......the package has arrived in sweden but someone....USAcustoms or MCmaster thinks that my package weigh 290lbs and included shipping charges at 744$
So....a total of 750$ for a box of t-lines.....lets hope I can get it sorted out......anyone intrested in a t-line? 75$ a piece :cool:

[MaxxxRacer]

wow those are some heavy T lines notten... i mean super heavy t lines.

what is that like 50 pounds or more a t line.. ROFL

silly customs.. they have their heads up their butts

[RaptorRaider]

I'm interested but not at $75 a piece. :p: