75 MPH is about as fast as a train. Slower than most euro or Asian trains.
I did not see how much it could left? I guess I am not seeing a real use here.
They’ve read too many steampunk novels.
They are cool. But largely useless.
All kidding aside. The beauty of a blimp is the loiter time and the fuel economy. I could imagine is being used as high observation platform as well as performing heavy lifts over long distances.
I used to read the pulp fiction of Edgar Rice Burroughs' Warlord of Mars books and was always captivated by airships.
While the Pathfinder 1 may one day carry tonnes (sp) of cargo over hundreds of miles, it is currently restricted to hovering a few feet off the ground.