Gun Trucks

[pmulcahy11b]

Originally Posted by WallShadow

In WW2:
The Me109 (some versions, too lazy to track down which) had a 30mm cannon "nestled between the cylinder heads" of the aircraft's engine, firing through the propeller boss.

There was a version of the Hurricane with a 40mm cannon under each wing that they used for tank-busting in North Africa. Recoil was said to be brutal on the pilot, and that makes me think that maintenance on the wings and wing roots had to be constant and thorough.