A recent firmware update, improved battery used in the cold winter temperatures. Make sure you start if for wth a fully charged battery, keel an eye on the voltage, and don't give it full throttle bursts. Go easy, fly slowly, and deliberate.
I don't know any one who went cold turkey this year... Ha
RedHotPoker
I don't know any one who went cold turkey this year... Ha
RedHotPoker
