Intercooler

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No it's designed to interfere when powered thus driving air, but when not powered then the ram air can pass the blades with little resistance:rolleyes:
If you see what I mean:cool:

Ahh!! When you put it like that I agree.. But that depends on the strength of the magnets in the motor and their resistance to turning!!!

To make the fan have many powers it must have strong magnets, this makes it very efficient when running!!

Look at the fan inside your PC if you blow it hard it will spin but if you blow it gently it may turn a bit but the n wobble back n forth a bit , that is the magnets holding it in place!!!
 
It could be the old mav doesnt get fast enough to get enough ram to move the fan anyway? I cant see it with the bonnet closed:lol
I'm recanting the blurb given with the fan when I had it:clap
Made sense to me a bit:)
 
I thank you, I hated chemistry in school:eek:
Anyway I know the fan on the intercooler is turned by the incoming air, but it matters very little. The fan blades are designed to interfere with air flow as little as possible, it's a bit like an aeroplane feathering it's prop. However the loss of air cooling is bugger all I say. The benefit though is that at LOW speeds where there is no airflow from forward ram effect THEN the fan can force some air through the I/C thus keeping the charge temp down. So I can get as much torque as poss pre turbo in the muck. It works for me so there :p
On a sunny day with a bit of water squirted over the I/C and then some fan action things get right chilled:thumbs

But Professor, you're just proving my point again!! When a prop is feathered, its isn't freewheeling, the blades are rotated to that they are in line with the airflow not (roughly) at right angles as they normally are. Net result is that a feathered prop doesn't rotate and is not therefore inducing any drag....unlike your i/c fan. And you can't have it both ways; if your fan blades "don't interfere with airflow" then aerodynamically they must be inefficient when it comes to moving any...

BUT, there is an answer for higher vehicle speeds as I remember telling Colin once - like the T2s crappy OEM airbox, the biggest restriction to the amount of air going through the i/c is the bonnet scoop. So....make it BIGGER.
 
I've forgotten what your point was now :augie
I know one can't have it both ways:rolleyes:
I agree that at speed a bigger scoop would be good but I think you are missing my point. That is the fan is only there to keep things cool below ram air speeds.
The down side is a little blade or two in the way when at any sort of speed, but so what;)
 
I've forgotten what your point was now :augie
I know one can't have it both ways:rolleyes:
I agree that at speed a bigger scoop would be good but I think you are missing my point. That is the fan is only there to keep things cool below ram air speeds.
The down side is a little blade or two in the way when at any sort of speed, but so what;)

I'll get the calculations Prof :thumbs
 

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