8/5/2023 0 Comments Fpv drone racing![]() The electronics themselves are not that much lighter, but they fit into a smaller frame, which saves additional weight. Although 20mm ESCs are not as durable as 30mm ESC’s, most racers use 20mm electronics to save weight. Any FC not marked this way will support both analog and DJI, but if using DJI you’ll need to solder wires to the FC since it doesn’t have a plug.Īll of the flight controllers and ESC’s on this page are 20mm size. DJI Only means that the FC does not support analog video at all, and should only be used with the DJI System. DJI Ready FC’s can still be used with analog FPV systems. DJI Ready means that the FC has a plug to allow easy connection of a DJI Air Unit or Caddx Vista. Modern flight controllers may also include accessories like voltage regulators, and on-screen-display (OSD), a power-distribution-board (PDB) and more.įlight controllers on this page may be marked as “DJI Ready” and “DJI Only”. It receives your commands from the receiver and translates that into motor outputs that make the quadcopter fly. The flight controller (FC) is the brains of the quadcopter. But I’ve included at least one motor here that comes in around 2400 kv, which is suitable for use with 4S batteries. So almost all of the racing motors made come in 6S kv’s only. What about the 6S vs 4S argument? In racing, very few people still run 4S. (You can effectively scale down a motor’s kv by using the throttle scale parameter in Betaflight’s Rate Profile tab.) For those running 6S batteries, a motor from about 1600 kv to 1750 kv is relatively sedate a motor from about 1750 kv to 1900 kv is powerful, but still reasonable and a motor from about 1900 to 2200 kv is probably only recommended for really skilled pilots. Beginners, especially, may find higher kv motors harder to control. But higher kv motors aren’t necessarily faster for every pilot. A higher kv motor will spin faster and usually make more power, but will be harder on the battery.Ĭhoosing a motor kv is mostly about balancing speed vs. The kv means the rpms-per-volt that the motor will try to make. The main question left when choosing a motor is the best kv. It seems to be the smallest, lightest motor that gives enough torque for excellent handling and enough power for great acceleration and top end speed. The five-inch racing world seems to have mostly settled on 2207 as the ideal motor size.
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