Skewray Research (ZF¬C) on Nostr: I’ve researched a bit. A hot air blimp would be huge and ungainly. Helium too ...

I’ve researched a bit. A hot air blimp would be huge and ungainly. Helium too expensive. Hydrogen perfect but illegal in the US, where I am. Laws from when morons here still thought the Hindenburg was a hydrogen fire.