User blog comment:Warwolf 51/The Random War Room/@comment-32153758-20140408174839

Just saying, Gen 4 flying ships are way more productive than Gen 5 ships, given that you build them properly. Gen 4 ships can have the same amount of guns, and the same amount of armor as a Gen 5, and be shorter. Sure, the Gen 4 will look fat because of this, but meh.