(no, I don't mean make 'em shiny, I mean planes designed in Poland

)
I don't know if AH has any ambitions to replicate the aircraft of the German invasion of Poland, but if you do here's just about everything you need to know about their armament......
http://website.lineone.net/~a_g_williams/Polish%20Guns.htm Tony Williams
Author: "Rapid Fire: The development of automatic cannon, heavy machine guns and their ammunition for armies, navies and air forces"
Details on my military gun and ammunition website:
NOTE NEW ADDRESS
http://website.lineone.net/~a_g_williams Gun and ammunition discussions at: