The tail has been enlarged and the tow bar lengthened.
The aircraft weighs 133k with 36k batteries There are no controls installed and the wings are not covered, but it is probably possible to stay below 140k by lightening some parts. With a pilot of 80k we would thus be at 220k, for 5.3m2 of wing area, or 41.5k / m2
Proposal to modify the wing attachment, so the ball joint is held on both sides.
The tow test video:
It ends badly! I rode too fast on a bump and the fin caught the ground. You need a caster under the fin and also probably I must harden the landing gear. The attachment to the tow bar is too flexible.
Reminder of my email: