That said, after studying the Vortex site, this model was designed to be 650 gm AUW!!!!!
No point in putting any engine on that! a Cox maybe
And the proposed fuse to make the airframe weight 1 kg is positively unhealthy.
This is what frequently happens on the forum, when the question-poser withholds the full information until the last. Like after reading Ramayana, asking
lekin Sita kaun thi?