The Taraxa is an semi-rigid airship developed in Lindera. Able to make the trip between Lindera and Clusia in 3 days. Using a hot/cold helium system The Taraxa is able to adjust altitude through temperature rather then with venting gas or dropping ballast.
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I think that I'll increase the balloon size a bit when I draw it for the comic but over all I think the design fits what I need. Also at the time that The Taraxa is made contact between Lindera and Clusia is mostly through trade, so the idea of passengers is a second thought and limited to 4. Those who travel via the Taraxa are often on business trips. Though it has been known for a few who could pay the ticket price to be on vacation.