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Endeavour, Semi-Aerostatic Airship, Centralis Keye

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"Endeavour", One of the many privately built airships of the world. A 1500 footer, she one of the few semi-aerostats, built principally to lift very heavy loads and move them across long distances. Because she needed to lift heavy loads, she needed far more power than her lifting gas, and as such, her engines, being high power availability, became heavy as well. When flying under no load, she uses her gas for about 70 percent of her lift and her rotors for 30 percent, but when under load, her engines can delivery many times more lift than her gas can, making her a real freighter. Should her engines fail when she is carrying no load, she can very easily sustain aerodynamic flight to the ground. However, it should be noted that aerostatic airships are not liked at all for travel over the sea with heavy objects, for a loss of lifting engine power would result in not only having to dump the cargo, but the inevitable loss of the ship with no landing site, which would in most cases sink beneath the waves. Heavy freight movements of all kinds over the sea, for safety, are done by ocean vessels, and aerostats only cross the ocean when flying light. Whereas these aerostatic ships come in very practical for local over-land use, especially on large islands such as Centralis Keye. They are known for helping to erect buildings piece by piece. One of the roles in this world they serve the role of helicopters, as there are no helicopters in the Great Lone Islands. (Steam engine power to weight ratio simply is not high enough to make a practical helicopter work.)

The Endeavour is based permanently on the sprawling island of Centralis Keye, and performs hundreds of jobs per year. Her captain is Otis Tsevsk and she is homed in a hangar on the northwest end district of Calida Portum. Built in 1187 in Ferrouston, by the year 1320 she is 133 years old and has had three captains, all in the same family. Endeavour is one of sixteen semi-aerostatic airships of varying sizes in the world, and is the fourth largest of them.
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Keisser's avatar

What lifting capability does she have? I am especially interested in payload when using the engines.