DJI seems very unsure on how to describe the Magnesium core in the Phantom 4. They have recently changed the description to now call it a “Magnesium Skeleton” instead of core. Hope they settle on a description soon 🙂
REVOLUTIONARY MATERIALS AND
REFINED AERODYNAMICS A new body with a strong magnesium core places the center of gravity closer to the Phantom 4’s heart, improving balance, enhancing agility and adding more accuracy to how it reacts responses to your commands.