How to fix Hubsan X4 transmiter

My Hubsan X4 (H107) had developed a problem synchronizing with transmitter (tx to rx). Since I had to disassemble it completely and solder broken battery cable I wasn’t optimistic that I could fix it. But I knew the quadcopter was flying after my repairs, so I kept thinking that the problem may lay somewhere else.… Continue reading How to fix Hubsan X4 transmiter

How to start flying quadcopters

It has been almost six weeks since I started flying quadcopters (see early results here: ). There’s a lot I learned so far: * it’s physics baby! bringing the controller stick back does not slow down/stop the machine – it changes the force generated by propellers, so the quadcoper will keep moving for a while… Continue reading How to start flying quadcopters