PRINT THIS WORKSHEET TO FILL OUT AND TURN IN.

NAME__________________________________ CLASS_________


1a. Identify each letter in the lift equation and list the units for each.

Cl = _________________

L = _________________

r = _________________

V = ________________

A = ________________

1b. Identify each letter in the thin airfoil equation and list the units for each.

Cl = _________________

a = _________________

Clo = _________________

 

2. Lift equation for Cl:

 

Thin airfoil equation for Cl:

 

3. Combined equation showing L as a function of a:

 

4. Record the values shown:

L = _________________

A = _________________

V = _________________

r = _________________

a = ________________

 

Equation from #3 solved for Clo is:

 

Value of Clo = __________________

 

5 + 6.

angle in degrees

angles in radians

calculated values of lift

value of lift from Foilsim

-20

-15

-10

-5

0

5

10

15

20

7. Report what happens to the lift when the area of the wing increases.