Solara, I read this :
**Update: We have received word from our visitors, indicating potential quality issues with these ESCs. Multiple reports of them burning up in Norway.**
Source:
http://driftmission.com/speed-passio...es/#more-10165
Is this true, and if so, is this the reason for the constant push-back? What is the cause so far and should those who are testing/will test in the US be concerned and know what to look out for?