All of us knows how aircraft lifts, but many of us don't know what makes it to move forward.!!

Aircraft lift can be explained based on Newtons third law at basic level and by Bernoulli's principle at some what advance level of explanation, but how aircraft moves forward 🤔🤔

 Here is a simple explanation,
  The thrust force, which is responsible for forward motion of an aircraft is actually induced by the propellers. Propeller contains 2 or more blades that are made in the shape of an airfoil like wing of an aircraft. When the engine rotates the propeller blades, lift will be produced on the blades (same as that of wings) which acts in horizontal direction. This lift is called thrust and responsible for the forward motion of aircraft.

Add on:  

Propellers are of two types

     1. Tractor propellers - Pull the aircraft through the air

     2. Pusher propellers - Push the aircraft through the air 

and the propellers are the heaviest objects in the design of an aircraft.   

Note:

Content is limited to my knowledge and comment's are positively welcome
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