But seriously, the explosion risk from hydrogen fuel cells, gas engines, or lithium batteries is about the same across the board when you discount human factors
If I were to build something from the ground up and wanted to forge my own way instead of, say, a kit helicopter, I'd likely do a gas engine tri-copter. Something with enough shaft horsepower to spin some larger and more efficient blades.
Hey @Tenchi Masaki You remember the threads where we put 5 words in French, Spanish amd other languages? Could you teach us some Japanese words please? I think it'd be fun!
Breaking news: historians believe that they've uncovered a cache of pencils that once belonged to William Shakespeare. A spokesperson said, "They're so badly chewed on the ends, we can't tell if they're 2B or not 2B."