[suicideneil]

The arming thing is to do with synth. radios, the TX needs a little more time to connect up to the RX, so the arming sequence has been slowed doen abit to prevent a runaway from occuring. More info about the updates is in the CC sub-section. When you say it locks up at full throttle, is this when you are running the vehicle or its just on a stand testing it?