Thought some people would be interested.
Indoor Airbus A310...
https://youtu.be/xDtqUg8R6Jw
How is this thing built to be only 285 grams with a 2 meter span?
Is it just a balloon with helium in it ???
Yes.
Jack.
That take off was very close to the wall! Wow.
Two words on how its so light.
"Martin Müller"