The FlightOne Spark 4n1 electronic speed controller (ESC) provides the power of BlHeli_S performance in a tiny package. This makes your electronic stack small, and eliminates the need for an additional PDB. The Spark 4n1 ESC performs great, helps clean up any build, and is perfect for your 3″ build.
weight: 7.1 grams
20 mm x 20 mm mounting hole spacing
30 Amps per channel
5V voltage regulator capable of 3A continuous output