Wow, Chris! I'm impressed, and shamed...
Your video makes.me feel like a chicken. I've been slinging my 1960 Scientific P-40 (AP .061, Jan Haluzko venturi, 5x3 Cox 3 blade prop, 21" symmetric wings) on 38' lines. I'm just getting comfortable with wing-overs, and felt MAYBE I needed longer lines. Now I wonder why I can't seem to go inverted, nor loop.
Bock, bockbockbock, BOCK!
Next time I fly that bird, it crashes or loops. No other options now!