"Tom Hayden" geezer1two3atcomcast.net wrote in
:

What are those teardrop shape bumps on the wings, directly behind the
guns (cannons)? Maybe something aerodynamic just to provide room for
the rearmost part of the weapon? But maybe not.

Tom





It is to make room to feed the ammunition into the cannon.

There are (at least) two types of bulges, though.

Cheers.