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 ...

Therefore, the number of possible flight conditions of a rotary-wing aircraft exceeds that of a fixed-wing aircraft. A full performance analysis, aimed at selecting or designing a helicopter, planning ...