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Since I was lacking some power in my Reptile 500 quadcopter, I was considering switching my Turnigy MT2213 935KV motors to something more powerful. Last previous weekend kind of forced me to make that switch: I destroyed one motor while trying to replace bearings. Being forced with lack of motors I’ve decided to stay with…

SimonK is most widely recognized ESC firmware in multicopter world. But there is a second option, in many ways much better than SimonK firmware. It is called BLHeli. It supports many different ESC, including both Atmel and SiLabs based. Plus, it has a cool software that allows you to configure you ESC without programming card. Just…

There are many cheap quadcopter frames on market. Big, small, X, H, foldable, good and bad. And choosing a correct frame for a purpose is both hard and critical for further drone performance. One of cheap, and on a first glance, versatile frames, is x525 V3. Is it worth the money? Well, it’s a hard…