Hedgehog Heatsink, Suck air or blow air?

[Drexel]

I have the hedgehog heatsink, should i be sucking air away or blowing air at it? Which one gives the best results? thanks in advance...

 

[jsbush]

Sucking air would probably give better performence, only way you can really tell is to try it.

 

[Dexion]

The Manual of the Hedgehog clearly states that the fan should be installed "sucking" to give maximum cooling performance.

 

[Drexel]

Just because i'm really petty, this is quoted from the Kanie Hedgehog Copper Heatsink Handling Manual; "Then fix the aluminum cover and set fan for sucking. (If you want to set fan for blowing, take off aluminum cover.)"

 

[MrDudeMan]

that doesnt make any sense. so what they are saying is have it pull air away from it? wouldnt it help more to have air blowing directly on the hottest part of the heatsink instead of having a less rapid stream of air brush past it? i would think it would be a lot more efficient to have it blowing, not sucking <-- although i really have no clue, but that just makes sense to me =)

 

[Mykex]

Just make sure when using suck as oposed to blow you use the aluminum &quot;cowl&quot;. What that does is make sure that when using the fan as an impellar the cool air is constricted to enter at the base of the HS. Otherwise you will only be effectivly cooling the top of the HS not allowing the lower section the optimum cooling.

 

[TELeast]

I have HedgeHog and I suck

yes I agree with Mykex... you want the cool air to enter the heatsink fins at the point most near to the bottom where the source of the heat is.

Also, according to some Physics, when you decrease the pressure of an area (by drawing air out), you decrease the temperature. When you increase air pressure (blowing air in), you increase the temperature.

Although I don't think the air pressure is too significant.