Equations Flashcards
1
Q
Theoretical drag
A
Dynamic pressure x surface area
p/2 x v^2 x A
2
Q
Theoretical lift
A
Dynamic pressure x surface area
p/2 x v^2 x A
3
Q
Coefficient of lift
A
Measured lift / theoretical lift
4
Q
Coefficient of drag
A
Measured drag / theoretical drag
5
Q
Actual lift
A
Coefficient of lift x dynamic pressure x surface area
6
Q
Actual drag
A
Coefficient of drag x dynamic pressure x surface area
7
Q
Lift to drag ratio
Best glide ratio
A
Coefficient of lift / coefficient of drag
8
Q
Thrust
A
D + Wsin(theta)
9
Q
Lift
A
Wcos(theta)
10
Q
Taper ratio
A
Tip chord / root chord
11
Q
Power
A
Work / time
12
Q
Acceleration
A
Change of speed / time taken
13
Q
Aspect ratio
A
Wing span / average chord
14
Q
Work
A
Force x distance
15
Q
Bernoulli’s equation
A
Ptot = p + q