I've attached our team's plans, which we used to build two airships on Saturday. The results cost about $300 per airship in lumber, but they look and feel great, even though steam tanks, davits and lifts are yet to be added:
https://twitter.com/celtxrobotics/st...379142656?s=09 . Feel free to use these plans, but please note that they come with no expressed or implied guarantee of safety, accuracy or legality. Happy flying!