Big game hunter. Shot down P-47 by Flakpanzer

Gary
This is still in progress and has been for several yrs now. Gary

Gary
I've read that this vehicle was only made as a prototype and the guns were changed to a 37mm gun, because allied aircraft flew too high. I was wondering why then did they make the Flakpanzer IV Wirbelwind, as a 20mm. So any this is a what if diorama still to be completed. Gary