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Since you're already planning on using hydrogen fuel cells for propulsion, does it play well with using hydrogen as the lift gas, too? Since the airship is unma
by bbojan 5y ago
Since you're already planning on using hydrogen fuel cells for propulsion, does it play well with using hydrogen as the lift gas, too? Since the airship is unmanned, this seems like a good synergy.
- john_yaya 5y agoSomeone else mentioned the prevalence of vandalism against trains crossing the country, and that all too many trains arrive at their destination with bullet holes. A hydrogen-filled blimp would be a tempting target for people so inclined.
- thehappypm 5y agoA train is a giant piece of metal they can hear the bullet hitting. There's no sound reward to shooting your gun into the air, maybe hitting a blimp.