After trying to start my zdz80 for hours. I got careless, after the 5-5 Just before putting the throttle to idle someone come up "Nice plane,, I said thanks and forget to pull the throttle to idle [X(] after 3hr of trying to start this engine, Whaaaaa the engine start at full power and broke the rope that's holding the plane [X(] and the chase is was on thank god for ZDZ bad ignition the engine died before it got to me.