Well i had a interresting day went to feild today did what u said rusty all seamed good went up did a circut then the engine stoped no reason had a scary landing the expo on my radio was way out on elevator neally stalled it just got on the ground phew no damage .
looked for why it stoped took off the relay for ingition tryied to start then what the heck idal at 4000rpm cant drop turned battery off . looked at throttle servo i put in butter place started again same thing then it would just cut out pulled choak it fired again the terned of choak it fired normal idal strange then whent to rev it just cut out hmm then i notice some bubbles in fuel line so i got the fuel pump and tried to pump fuel out bingo found the problem the line and clunk had come off in the tank fixed and put back started all good it purred nice again and transition good . Thanks Rusty your advice was dead on .
Put cowl on and restarted took off and landed 3 times its got some power unlimited vertical plane weighs 8kg after mod to firewall it was really nice to fly .
plus with the muffler cut i notice no noise change .
i have video off the first flight only mates camera as mine dead i wil post it later.