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NAME_______________________________CLASS_______________
DATE____________  

• After studying the picture of the Daedalus (http://www.dfrc.nasa.gov/gallery/photo/Daedalus/Small/EC87-0014-8.jpg) human-powered aircraft and reading about the aircraft and the Forces on an airplane, list the advantages and disadvantages of the Daedalus over a typical, engine-powered small aircraft. Use the table given on the worksheet.  

Force on Airplane	Advantages	Disadvantages
Lift
Weight
Thrust
Drag
Other advantages and disadvantages	_______________________ ________________________ ________________________	____________________ ____________________ ____________________

• Write an essay on why you think the inventors thought it was important to develop this aircraft, including a comparison of advantages to disadvantages. Include your opinion on why people invent.