length was the major consideration for the vee type aircraft engines. fork and blade, master and slave, and articulated rods are all much more expensive than plain ( side by side ) rods.cost is generally not a problem with aircraft engine design, but is why you haven't seen anything but plain...
the bottom line is that the idea was to place the majority of the engine below the crankshaft cenerline in order to improve pilot visibility over the nose in flight. no guess work, just fact.
Wrong my friend. Siegfried Gunter used the coupled configuration to reduce frontal area and therby reduce overall drag. He felt that the combination of four engines driving two propellers would result in greatly improved performance. The RLM shortsidedly added the dive bombing role only after...
Actually, the DB603 was already under development when the T80 was authorized.... Daimler Benz was asked by Ernst Udet to supply engines for the land speed attempt by Hans Stuck. The DB601 was thought adequate at first, but Britains' Campbell upped the ante, so the prototype DB603, the V3, was...