DRG,
Tried to tweek the A-10 with some results as far as the gun goes without adding PEN. As you said in an earlier post it may be how the game handles multi-barreled weapons on aircraft. I'm glad your working on it.
Now you can look at a site that I found that explains the newer upgrades that will make the A-10 even deadlier and stretch its service life to 2028.
http://www.airforce-technology.com/projects/a-10/
On this site you will see a statement as follows,
"Using the cannon, the A-10 is capable of disabling a main battle tankfrom a range of over 6,500m."
You will also find that there are two AP rounds for the gun that are both refered to as API (Armor Piercing Incendiary).
One is DU, the other is not. I suspected this because as far as I know the Pen capability of DU rounds is classified as is a ton of other stuff that your trying to portray in this game. I do not envy your job.
The 25mm on the USMC's Harrier jet also fires DU rounds but to a much lesser extent.
That's another story.
