RE: Unexplained loss of control
Most likely?
the power to the rx-
There is NO substite for a really good battery system with NO BEC
2000ma NIMH -in the AA size are probably -as a group - the worst power cells you can buy- there are some good ones but not many-
The last thing to fail?
the rx
It may quit but typically due to power availability or overload from servo setup (same thing).