Windy RC cooling fan spec:

Thrust: Massive 8.g+ @8.4V
Weight: 12.7g
Voltage Range : 6.0 - 8.4V
Current Draw: ~0.48A @ 8.4V
RPM: ~23xxx@ 8.4V
Weight: 12.5g
Dimension: 34mm width, 16mm height

Unique Features:
The only purpose made cooling fan for RC model
Industry first special trumpet intake mouth to smooth & accelerate air for intake
Dual ball bearings constructions.
Very strong construction compared to all 30mm x 10 mm fan on the market
Same mounting point as conventional 30mm fan
Cooler coil temperatures as the routed air though the extended opening cools coil before entering the blade
Extra cooling space of the electronics at the bottom of the case

For any common 30x10mm cooling fan to achieve thrust of new Windy fan, is like giving it a 14V as compared to a 8.4V. and RPM have to be over 32000!!