Why does the Boeing 737 not have any landing-gear doors?

Paid promotion: Have you ever seen a Boeing 737 take off and noticed that the wheels are still visible after the gear has been retracted? In this video I will tell you all about the reason for this, the aerodynamic impact and some protection systems that you might not know about. Enjoy! To download my app, and chat with me, click links below 👇🏻👇🏻 📲IOS: 📲Android: