i ordered the f 20 tigershark.
the het 2w20 with the 6904 fan unit and a tusnimie 72 amp speed controller. bought from
the jet factory came as a drive set, all three items for under 150 dollars. its a great set up i am useing a 3700 mhp 4 cell lipo battery.4 digital servos. since i used a 72 amp esc i didnt need a BEC