An EDF (electric ducted fan) is a brushless motor and multi-blade fan inside a duct. It gives RC jets their look and sound. Every unit here comes with a matched ESC, so the motor, fan and speed controller arrive in one box.
1. Pick your size
50mm
11 blades40A ESC
Small park jets and foam EDF models
3S / 4S LiPo
64mm
11 blades50A ESC
The most popular size for sport jets
3S / 4S LiPo
70mm
12 blades80A ESC
Larger, faster jets
4S / 6S LiPo
Fan circles are drawn to scale. Match the fan to the duct size of your airframe.
2. Match KV to your battery
Fan size
3S (11.1V)
4S (14.8V)
6S (22.2V)
50mm
4950KV
4350KV
–
64mm
3950KV
3550KV
–
70mm
–
3450KV
2350KV
Rule of thumb: more cells, lower KV. Always use the cell count shown on the listing.
3. Complete the setup
