EbbTide

iTrader: (39)

But for it to be effective, the rest of the body would need to be pretty well sealed up and only have cutouts directing the air toward the motor. It is easier and more efficient to just have the fan blowing directly on the motor. It could help though to have two fans, one going on the motor and one at the back pulling the warm air out.

Piles

I wouldnt have thought so. If the body was sealed there would be airflow but little heat transfer. We need to "get rid" of that hot air and the body being open is important for that if not very practical.

EbbTide

iTrader: (39)

You would need a dedicated intake and exhaust for it to be effective, with the rest of the body sealed or else you'd never get enough airflow over the motor itself to make a huge difference, you'd just be extracting the warmer air lowering ambient temps inside of the body which is still good. But that might only get you half the cooling performance compared to the fan blowing directly on the motor.

Piles

If you had a dedicated intake and exhaust you wouldnt need a fan.

If your using a fan blowing against the natural airflow under the shell it wont be as efficient as it would be pulling air over the motor with the natural airflow. Its free airflow, use it. Dont fight it.

EbbTide

iTrader: (39)

If you feel like a fan pushing the air out is the best solution by all means give it a shot. But until I see numbers indicating that a fan blowing on the motor is less efficient than no fan at all, I'll keep doing it this way

Vincent_Diesel

iTrader: (2)

Thanks for all the replies.

I had bought a fan mount for the XB2 that vertically mounts using the motor waterfall. I will have to cut an opening in the body. That being said, I am still partial to thinking of pulling heat away due to the location of the fan/motor, and since heat rises I'd hate to be circulating heat within the body by pushing in air and not having it go anywhere.

I will try it both ways and see what is best but really appreciate all the reccos.

EbbTide

iTrader: (39)

Let us know what you find either way should help to an extent

Crazee4FPV

LOL cool!

FatalTundra

iTrader: (5)

the rc guy

wtf fans are normally 6v to 8.4v..never seen 1 rated for 6 cells.

FatalTundra

iTrader: (5)

Thanks, I'll give them a try.

mustangkillaz

iTrader: (5)

bought wtf fan, lasted one day. 2 runs and it was done. Just fyi.

Cain

iTrader: (294)

That yokomo fan, the circular one has been working well so far. The Yeah Racing aluminium on though has been a workhorse.

Totallyosho

Protip: you can increase the performance of dual fan setups by putting a lexan sheet between them, avoiding them slowing each other down by competing for the same air.
​​It's standard practice in HVAC and I tested it with pc fans (which report their rotation speed) and the increase was close to 20%

the rc guy

can I see some actual results in this said increase..hmmm hard to get multi fans in a hvac unit with 1 fan sure they have 3 power wires with single fan in furnace ..thats a possible of 3 speed fan .slow med high.