Super Scorpion bungee launch

Having many failed attempts to hand launch this aircraft by both me and others I decided to try a bungee launch. Here are my attempts at getting it set up and dialed in.
http://www.fmsmodel.com/rochobby-70mm-super-scorpion-red-pnp-edf-jet
https://hobbyking.com/en_us/pedal-operated-bungee-launch-system-ramp-for-fpv-gliders-light-edf-models-self-assembly.html

Видео Super Scorpion bungee launch канала Gary Santaniello