Aviation Industry
The industry involved with the design and manufacturing of aircraft and spacecraft that operate both outside and inside Earth’s atmosphere.
What is aerospace?
What are reconnaissance aircraft used for?
Acquiring information about an area for military purposes
Accomplishes every mission not covered by the commercial airlines or military
What is General Aviation
Aircraft in the early 1900s did not have very good navigation devices. What did the U.S. Postal Service develop to assist with navigation for pilots flying the mail?
A beacon system to identify routes
Leonardo da Vinci’s flying machine, the ornithopter, was an invention that ____.
flapped its wings like a bird
Birds generate ___(2 things)____ by flapping their wings.
lift and thrust
The purpose of military aviation is to _______.
defend the nation and its interests
What is one reason law enforcement uses general aviation aircraft?
To assist law enforcement officers on the ground with suspect apprehension
The transition to air-cooled aircraft engines from water-cooled aircraft engines resulted in which of the following?
Engines became more powerful with increased speeds.
a contribution Greek myths made to civilization today
Inspiration for human flight
Movement of a wing through the air creates _______ on the top of the wing as compared to the bottom of the wing, allowing for lift.
lower pressure
Airplanes provided different purposes during World War I. How were airplanes first used during the war?
Surveillance
For modern day gliders, what does Bernoulli’s Principle demonstrate?
Air moves faster over the top of the wing than air moving below the wing. This creates an area of low pressure on top of the wing, which lifts the glider up.
why wind tunnels are used in testing the design of aircraft
To test scale models of airfoils and aircraft
What is the purpose of the burner of a hot air balloon?
It heats the air inside the balloon causing it to rise.
What does the camber of an airfoil refer to?
The curve of the wing
Who operated the first commercial airmail delivery system?
The United States Army
Hot air balloons rise because warm air in the balloon _______, lifting the balloon.
becomes less dense
Which type of aircraft performs best with a symmetrical airfoil?
Aerobatic aircraft
They approached problems systematically and methodically, controlling all other variables.
the Wright Brothers
What is the difference between a UAV and a UAS?
A UAV is one component of a UAS
What event corresponds to major developments in the body, wing, and engine designs of early airplanes?
The First World War
Why is air density important when using hot air balloons?
As air inside the balloon gets warmer, the density of the air in the balloon decreases, causing it to rise.
When the four forces of flight are balanced, the flying object is said to have ________.
equilibrium
Why did the Wright brothers include a rudder in their airplane design?
To prevent the glider from spinning out of control.