PRINT THIS ANSWER SHEET TO FILL OUT AND TURN
Size Effects Worksheet
- What happens to lift when the surface area of an airplane's
wings is increased?
- Open the Web page
or a search engine, to find information about the
Boeing 747. What is its wing
- Refer to the above question. What is the Boeing 747's takeoff
- How many passengers can the Boeing 747 carry?
- What is the ratio of the Boeing 747's takeoff weight to its
wing area? __________________
- Now use the Web page
or a search engine,
to find information about the Boeing 777. What is its wing area?
- What is the takeoff weight of the Boeing 777?
- How many passengers can the Boeing 777 carry?
- What is the ratio of the Boeing 777's takeoff weight to its
wing area? _______________
- Look up the DC-8 at
or use a search engine.
What is its wing
- What is the DC-8's takeoff weight? ______________________
- How many passengers can the DC-8 carry?
- What is the ratio of the DC-8's takeoff weight to its wing
- Find the DC-10 at
or use a search engine
. What is its wing
- What is the DC-10's takeoff weight?
- How many passengers can the DC-10 carry?
- What is the ratio of the DC-10's takeoff weight to its wing
- If both the Boeing 777 and the DC-10 weighed 130,000 kg, which
airplane's wings would generate the most lift?
- Which of the two planes in the previous question has a greater
possible takeoff weight? ___________________
- Which two of the four jet airplanes above have the closest
takeoff weight to wing area ratios? ________________________
- Explain the relationships among lift, takeoff weight, and wing
area. You may want to read the slide called Forces
on an Airplane.
- Do you see a relationship between wing span and passenger
- Where are slats located and how do they affect an airplane's
- Where are the flaps located? ____________________