Here's one over an hour and a half: https://www.youtube.com/watch?v=2ScZ8zDsVvk https://www.youtube.com/watch?v=2ScZ8zDsVvk It's definitely an issue, especial

Here's one over an hour and a half: https://www.youtube.com/watch?v=2ScZ8zDsVvk https://www.youtube.com/watch?v=2ScZ8zDsVvk It's definitely an issue, especially with payloads, but it's feasible to work around it. I think you can keep strapping on batteries for quite a while, too--the lift of some of these machines is incredible.