Originally Posted by mouthfulloflake
will that fan not block air when you are actually riding above 10mph though?
Which one? The RT-P setup is very similar to the cowlings used on pretty much any car or motorcycle radiator. The small fan covers the middle 1/2 of the cooler, leaving a 1/4 or so on each side open, plug air can still go through the fan housing when the fan is off.