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EMC2 · 03-08-2002, 07:20 PM

41C for a water cooled system is NOT very good.

The comparison of the blocks is only valid for a low flow system using 3/8" tubing, a Eheim 1048, and the configuration (whatever it is) of the rad/fans.

The test data is lacking some info - what was the air temp going into the rad and exitting the rad? What was the airflow rate through the rad? Was the fan mounted with a spacer/shroud or simply tied to the face of the rad?

The results of the two different Gemini blocks is a very good example of the fact that different blocks work best at different flow rates and that if the flow rate isn't set properly for the total system (block,rad,hose) then you can get much poorer performance than you would if the flow is properly matched to the system.

To date I've only seen what I consider 2 decent tests of water cooling system components published on the web - one of which was Joe's, the other was the radiator testing done at OC.

NOTE- decent tests in my view include all the information (temps and flows), are conducted at multiple points (air and water flow and heat loads), use proper measurement techniques, and are conducted in a repeatable manner using scientific methods. Without this type of testing, a user is left with at best an incomplete (and at worst misleading) set of information which can lead to poor results in their system configuration.

03-08-2002, 07:20 PM	#111
EMC2 Cooling Savant Join Date: Feb 2002 Location: Dark Side of the Moon Posts: 365	Comments on test results posted by DodgeViper 41C for a water cooled system is NOT very good. The comparison of the blocks is only valid for a low flow system using 3/8" tubing, a Eheim 1048, and the configuration (whatever it is) of the rad/fans. The test data is lacking some info - what was the air temp going into the rad and exitting the rad? What was the airflow rate through the rad? Was the fan mounted with a spacer/shroud or simply tied to the face of the rad? The results of the two different Gemini blocks is a very good example of the fact that different blocks work best at different flow rates and that if the flow rate isn't set properly for the total system (block,rad,hose) then you can get much poorer performance than you would if the flow is properly matched to the system. To date I've only seen what I consider 2 decent tests of water cooling system components published on the web - one of which was Joe's, the other was the radiator testing done at OC. NOTE- decent tests in my view include all the information (temps and flows), are conducted at multiple points (air and water flow and heat loads), use proper measurement techniques, and are conducted in a repeatable manner using scientific methods. Without this type of testing, a user is left with at best an incomplete (and at worst misleading) set of information which can lead to poor results in their system configuration. Last edited by EMC2; 03-08-2002 at 07:27 PM.