Global jet club TurboFoam F16
after trying to fly this jet a few times with the CG set to what GJC recommended I was not able to manage it very well, changed the CG to the same as my EDF one and it flew great 55mm not 78mm. love the way it fly's now.
this is the 1st good flight

HSD F16 turbine (6 min 20 sec)