Propellers
Coaxial Contra-Rotating Controllable Pitch Propellers
Turbo jet
Low Bypass Turbofans
High Bypass Turbo fans
100

When was the first airplane propeller made

When is 1903

100

Which gear spins both propellers opposite ways 

What is the drive gear

100

What piece of a turbo jet sucks all the air into the combustion chamber 

What is the air intake

100

This plane has been in service for over 30 years and has become a staple in the American Air-force. 

The F-16 viper

100

This is largest plane the US military has to offer

What is the C-5 Galaxy 

200

This is the key difference between propellers and an airfoil

What is angle of attack

200

This makes coaxial contra propellers less efficient than a variable pitch propeller  

What is variable pitch

200

This axis power both invented and used turbo jet aircraft in world war two

What is Germany 

200

This main use of low bypass turbofans is for ____

What are Afterburners 

200

This part of the C-5 galaxy doubles as an opening used for large cargo 

What is the nose cone

300

This major disadvantage keeps propellers from being as consistent as jets and turbo fans 

What is the torque 

300

This key disadvantage keeps both of these propellers keeps them from regular use 

What is the complexity  

300

This is the first step of the turbo jets process 

What is the exhaust spinning the turbine 

300

This difference separates  turbo jets and low bypass turbo-fans

What is the larger compressor 
300

These two main goals of a high bypass turbofan separates it forms the low bypass turbo fans  

What is efficiency and distance 

400

This is Civil Air Patrol vehicle has been in service since the 80's

What is the Cessna 172

400

This plane was used as an example image for the coaxial contra propellers 

What is the Fisher P-75 Eagle 

400

This is one of the few modern applications in turbo jets 

What is drone UAV's 

400

This component of an engine insights hot exhaust 

What are after burners 

400

This engine type is used more than any other engine thanks to ______

What is the airliner industry 

500

This key advantage of a propeller makes for a perfect recreational aircraft  

What is the shorter take of distance

500

This is the reason these propellers eliminate torque  

What are the opposing propellers 
500

This is why the turbo jet is so simple 

What are the limited moving parts 

500
This is the bypass ratio 

What is 1.5:1

500

This is the bypass ratio 

What is 12:1