Do you know why this part, around the engine, was colored in black?Black is an efficient color for heat radiation, so we painted the hot engines black to cool them as much as possible.Excuse me, but that rule was discontinued after your sinking.In 1943...Because it didn't work so well.Heat radiationHeat radiationThere are also other theories such as that was to suppress reflection of sunlight.Please stop it.
That looks lame.
