In this arrangement both propellers would turn upward as they approached the center wing, which in theory would have allowed better single-engine control.
There was a comment in the other question that questioned this statement:
according to that article, an outward-spinning engine configuration is better in theory. i don't see how this would be. in a single-engine scenario, wouldn't the working engine torque push the non-working engine side down?
A spinning propeller should also produce more lift on the wing section behind it as it is increasing the airflow over that section. Forgetting about the torque for a second, this would already push the other wing (with the failed engine) down. [EDIT: As answered in the comments, the lift generally has way more effect then the torque.]
So what exactly makes it more favorable to have a outward-spinning configuration in theory?
Also: Does this only apply to this aircraft, or is it valid in general?
Why does it say that the outward-spinning engine configuration is better in theory? What am I missing?