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Originally Posted by MaxxxRacer
BAH!
jaydee, i know that the air is the most important factor in all of this. Obviously I have NO way of measuring the actual air flow so i was going to use a variety of commonly used fans including panaflows, sayno denkis, papst, and anything else that ppl commonly use. I would run them at 12, 7 and 5 volts each. These numbers will not be able to turned into the equivlanet of a pq curve for a pump, but atleast it will show the performance at different fan speeds and and types. I think that knowing this information is more useful to the user than actually haivng cfm ratings. I believe this becuaes who in the hell knows how much cfm is going through their rad. 100 bucks says bill is the only one who has the slighest idea. The rest of us dont have anythign even close to measuring it. and that most surely includes the end user of this stuff who hasnt the slighest idea. Giving the end user something that is a bit more tangible and easy to compare is imo a better way of handling this. most surely its not as scientific but getting scientific requies an investment that non of us can even come clost to afford, much less wouldnt buy if we had the money.
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I am not against you in trying this BTW. I just belive if your goingto do it then at least learn from everyone's mistakes and do it better otherwise what's the point?
Bill said "any test is better than no test". I disagree. Bad tests are worst than no test IMO. No test are not misleading, bad tests can be if the errors are not known.
You say most do not know the CFM through their rad and use that as an argument. Now think about flow rate through a water block. Do you also not need a flow measurment because most people don't know the flow rate in their systems?
If you can't afford the equipment to do a job then do you do the job without the equipment needed and expect good results? I know I would be fired from my job if I showed up without my tools...
Anyway you havn't stated how you are going to record the temps? You need an expensive thermometer for such measurments as your temps changes will likely be below .5C in many cases.
Accuracy below .5C is not cheap. Also your flow meter will need to be within 1% accuracy or better.