Chapter 17 - Ground effect

Question 1

Ground effect effective is when

Answer 1

x1 wingspan from the ground

Question 2

Ground effect is comes more effective when

Answer 2

the closer you are to the ground

Question 3

Entering in to ground effect what happens to
Downwash
Induced AOA
Effective AOA
Drag
Lift
Nose

Answer 3

Downwash is suppressed
Induced AOA decrease
effective increases (stalling AOA reduces)
drag decreases
lift increases causing the a/c to float and ballon
nose pitches downs

Question 4

What happens to the IAS in ground effect

Answer 4

It will under read

Question 5

Leaving ground effect what happens to the IAS

Answer 5

It returns to normal