[quote=Commodore Robot]
Well such weapons did exist since at least the late 18th century and were actually some of the first "firearms" capable of rapid fire. Having said that they were also stupid expensive, broke with even slight damage, and had absolutely insane maintenance requirements (like pumping over 1500 times to be able to fire a few rounds). But they were in use to a small degree by the Austrian Military and even Lewis and Clark carried one to impress natives with on their expeditions. With all that in mind I wouldn't mind such things so long as they handled somewhat close to reality.Suppose I should have also mentioned that their range was relative poop and got worse as the air reservoir depleted from firing
[/quote]

We've got flying dreadnaughts. I think the containment of gases would be much more advanced, especially with the trait that allows for more quality ship-works.