Use the program FoilSim to answer the following questions:

1. Design an airfoil (wing) that can supply at least 15,000 lbs. of lift at an altitude of 40,000 ft. with a minimum airspeed of 230 mph.

   Airfoil Data:

   Airspeed	Altitude	Angle	Thickness	Camber	Area	Lift
   230 mph	40,000 ft.

2. Using graph paper, plot the pressure of the air as a function of (versus) the altitude.

    

3. What does this graph tell you about the relationship between the air pressure and the altitude?

    

4. Using graph paper, plot the temperature of the air as a function of (versus) the altitude.

    

5. What does this graph tell you about the relationship between the air temperature and the altitude?

    

6. Design an airfoil that maximizes lift but minimizes the wing area at an airspeed of 230 mph.

   Airfoil Data:

   Airspeed	Altitude	Angle	Thickness	Camber	Area	Lift
   230 mph

7. Design an airfoil that maximizes lift but minimizes the wing angle at an airspeed of 230 mph.

   Airfoil Data:

   Airspeed	Altitude	Angle	Thickness	Camber	Area	Lift
   230 mph

    

8. Design an airfoil that maximizes lift and altitude at an airspeed of 230 mph.

   Airfoil Data:

   Airspeed	Altitude	Angle	Thickness	Camber	Area	Lift
   230 mph

9. How does the lift depend on airspeed?

    

10. How does the lift depend on altitude?

     

11. How does the lift depend on wing angle?

     

12. How does the lift depend on wing thickness?

     

13. How does the lift depend on wing camber

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