That is indeed the same Youtube channel, and the person mentions that it was their third attempt. And it was a world record! I'm glad the story has a happy end

That is indeed the same Youtube channel, and the person mentions that it was their third attempt. And it was a world record! I'm glad the story has a happy ending. Really amazing perseverance. After a failed 7-month build, I don't know if I would have had the strength to try again.