rich1.0Low Information Voter (npub149…tzmp0)https://yabu.me/npub1494rtg3ygq4cqawymgs0q3mcj6hucvu4kmadv03s5ey2sg32df5shtzmp0njumphttps://yabu.meH2 lifting gas? Aluminised polymer envelope? Pressurised? Flight ceiling? Feel free to tell me to shut up if any of those are commercial in confidence... :)