After some time well spent reading random historical type stuff, I was most interested in these two planes I had never seen before. I present the Schwalbecat.

Illustration for article titled Planelopnik stuff I didn't know about
Experimental version of the B18 armed with a 75mm gun, Big Bang Bolo
Experimental version of the B18 armed with a 75mm gun, Big Bang Bolo

Second one, well say hello to my little friend.