Category Archives: Multicopter

Flash Frsky Receiver Firmware – R-XSR, XSR, X4R, XM+, D4R

In this article we will show you how to flash/update firmware on your Frsky receivers such as D4R-II, X4R-SB, XSR and XM+. This is useful when you have mismatched firmware that prevents you from binding, or you might simply want to update to the latest firmware version.

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Best Quadcopter Flight Simulator | Drone Multirotor Trainer

In this article we will talk about some of the best flight simulators for quadcopter FPV. There are already many simulators for heli, fixed wing and glider, and we’ve begun to see more and more multirotor FPV Sim designed specifically for drone racing and FPV freestyle, some of which are even free!

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Mini Quad: 3S, 4S Setups Comparison and Migration

In this post we will have a look at the differences of mini quads running 3S and 4S lipo batteries. Many who are building their first mini quad might struggle in deciding which setup is best for them, I hope this post can answer some of those questions. I will also talk about how to move from a 3S mini-quad setup to a 4S setup, as I have been asked by FPV’ers who are looking for more power and speed.

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