Although there are flaps and slats to create further lift, these features are less efficient when the airflow separates before the high-lift devices, like the upper part of the aircraft wings.

An curved arrow pointing right. An entire airplane isn't built in one spot — sometimes parts are built in multiple places and then assembled together. Watch Boeing transport a massive 100' long ...

The exact airfoil shape of a wing has a massive effect on the performance and efficiency of an aircraft and will be selected based on the intended flight envelope. If you’re moving beyond foam ...