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MCB-120 "Radbox" radiator/fan housing => Does it GREATLY degrade performance?

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Old 10-17-04, 06:50 AM Thread Starter   #1
ongmomo
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MCB-120 "Radbox" radiator/fan housing => Does it GREATLY degrade performance?


I have a wavemaster( coolermaster) and the inside is kidna squished...i can't use the front bay either ....im thinking of this as a solution...but does it greatly degade pump power? If so...i wouldj ust get a stacker ^^;;
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Old 10-17-04, 11:46 AM   #2
uclajd
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Quote:
Originally Posted by ongmomo
I have a wavemaster( coolermaster) and the inside is kidna squished...i can't use the front bay either ....im thinking of this as a solution...but does it greatly degade pump power? If so...i wouldj ust get a stacker ^^;;
Not sure why it would (you mean because of the longer hose length?). Actually, outside is the best place for a raddy cause it gets cooler air out there. My rad is already outside, but I have been meaning to get one of these radboxes to mount it.
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Old 10-17-04, 02:19 PM   #3
9mmCensor
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It should overall make preformance better or the same, as it is removing a 'heater' from the system, so its not spilling heat into your box, heating up other parts.
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Old 10-17-04, 09:23 PM Thread Starter   #4
ongmomo
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however, just as uclajd hinted...doesn't it have longer pipe lengths, thus causing the pump to work harder + less pressure?
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Old 10-18-04, 08:58 AM   #5
Bugsmasher
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The effect on the rad-box on a system depends mostly on the tubing used in the system itself. If you are going with a performance setup with 1/2" inner dimension tubing/fittings throughout the system changing to a 3/8" inner dimension tubing (required for the rad box) will be a significant reduction in total flow. If you have no angles or sharp turns the actual length of additional tubing will not effect the overall system that much- adding an additional 6" to a 6' total tubing length system will not be that big of a drop especially if you have a pump with a decent 'head'. If you are basing your system on 1/2" OD-3/8" ID tubing then the rad-box will not have that much of an effect on your system.

Also keep in mind that most 1/2" ID tubing systems actually use fittings that have a 3/8" inner dimension anyway so many times the fittings are the true restrictions on the system. Some people use a 'softer' tubing and are able (via heating in hot water) to stretch 1/2" inner dimension tubing over 5.8" outer dimesion fittings and by doing so open up the fititng/tubing connections where most systems see their greatest restriction.

If you resort to math (perish the thought then the inner dimension areas of each tubing cross-section are as follows:

A = (pi)r^2
3/8" ID tubing cross-section area = (pi)(0.1875^2) = 0.110 inches squared
1/2" ID tubing cross-seciton area = (pi)(0.25^2) = 0.196 inches squared

Using a fitting that will restrict the ID to 3/8" is right about a 44% reduction in the cross-section of the flow path. Its definitely significant.

If you are using 1/2" OD-3/8" ID fittings then the rad-box should have very little effect on your system considering that its restriction probably matches the restrictions forced by all other fittings in your system.

***CAUTION***
I am a newb to WCing myself so this is only a guess but I think its pretty accurate.

Last edited by Bugsmasher; 10-18-04 at 09:32 AM.
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