Losing speed but not damaged :S

[SleepTrgt]

Originally Posted by P-51

I believe that its where the fule turns to vapour and travels to the carburettor stopping fuel flow to the engine. Sort of like having a bubble in your blood. Correct me if im wrong!
Chris

and why would this suddenly be happening?
There is just so much i dont understand
Like cant seem to Trim, my plane also always wants to roll to either sides.
Or the engine stops or i just lose random power.