Aerodynamics

Question 1

Name the state of LTE

Answer 1

Main Rotor vortex ring state winds (winds at the 10 o’clock position blow into the TR)

Weathercocking (tailwinds)

Tail Rotor vortex vortex ring state

Question 2

Settling With Power

Answer 2

Helicopter settles into its own down wash

• less then ETL
• Vertical descent greater then 300 rpm
• more then 20% power applied