DRAG Flashcards
1
Q
Avoid interference drag
A
Spats
Fillets
2
Q
Lift=
Formula
A
1/2p V^2 S CL
3
Q
Speed doubles
AoA?
A
AOA fourfolds
4
Q
Q dynamic pressure
Formula
A
Q= 1/2 pv^2
5
Q
Everything basically, when doubled means something else doubles or fourfolds (1/4).
Unless
A
Coefficient induced drag. In which case it’s 1/16 of original value or x16 of original value
6
Q
Manoeuvring’s relationship with lift.
A
Lift increases
7
Q
Total drag
A
Is the sum of induced drag and parasite drag
8
Q
VMD?
A
Speed for minimum drag amount on a/c
9
Q
Vs
A
Stall speed
10
Q
Speed is stable if
A
speed will go back to thrust level. After being affected by drag.
11
Q
Speed is unstable
A
Just keeps decreasing in speed. And ends up stalling.
12
Q
Eat Chicken tikka masala
A
EAS CAS TAS MACH
13
Q
MMO
A
Maximum Mach velocity
Maximum operating Mach number
14
Q
VMO
A
EAS maximum operating speed
