Starting to think the back pack is holding fuel. You can see a line coming from it.
edit maybe I should read all the comments before next time rofl.
Interesting. Seems like this version of it is legit compared to the other videos of homemade ones so maybe we have gotten to the Marty McFly era finally. There was a period where everyone was fake but glad to see we have one that can actually make it into production before someone dies.
Wait for FAA regulations to kick in hahah