These are excellent! Is that efficient enough to keep an airship flying for some hours with 7 to 15 people aboard and some transported goods and weapons, given the materials used in point 1? It only takes a minute to sign up. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. right? Hoes. If your ship is well-designed, especially knowing that it will be going into battle, there will be no way for a flaming arrow to get anywhere close to the hydrogen, short of catastrophic damage to the point that you've already lost the battle anyway. With the lack of firearms, would it be reasonable to make main form of fighting hand-to-hand combat with swords/axes? You've already signed up for some newsletters, but you haven't confirmed your address.

Press J to jump to the feed. Are websites a good investment? 217 Railroad Spike. The New California Republic is a proper nation, like they manufacture things and build things and trade with people. Huge windows made of a single unbroken stretch of graphene. Ideally, you'd fill the interstitial space with some other inert buffer gas, like nitrogen, but that might be difficult for your recovering civilization to source. The premise here is that you can make a thin flexible graphene film that looks like plastic and is stronger than steel. One impressive looking flagship (kind of a flying siege tower) and How is it possible that a