The previous article linked had about 20,000 words. It spoke a lot about various problems. Let's look at the gun for example. There's a small door that opens so the gun can fire. Apparently for stealth reasons. The opening door creates an aerodynamic disturbance and the plane yaws or does something else and the aim is off. So that has to be corrected in the flight software - the plane must countersteer with the tail…
This thing? https://i.ytimg.com/vi/AJhTDzeMYkI/maxresdefault.jpg
That "door" really struck me as absolutely insane the first time I saw it. I simply cannot understand how a competent engineer could have designed this
When you watch the associated video (https://www.youtube.com/watch?v=JD8mqs93y1s), The thing literally flaps up and down freely when the cannon is firing in static position on the ground. Could they seriously not design it to retract?
This is the first I had heard about the software compensation they added specifically to deal with the drag though. That just makes the entire thing hilarious.