Nothing is infallible. Question everything. Check everything. Fly with a backup plan (plans B, .... C, D, etc), sufficient altitude.
In most systems there will always be a single point failure spot--- even if equipped with a backup fuel pump.
Revo
...g jostle on your trike to shake any hidden problems that are best found in the pattern.
What can go wrong? I know a guy who had ethanol gas related problems that clo...