Hello welcome back to my blog
Step 1. - Find out the meaning of aerodynamics and tell me why it important to think about aerodynamics when you are shaping your propeller.
A branch of dynamics that deals with the motion of air and other gaseous fluids and with the forces acting on bodies in motion relative to such fluids.
step 2. - Investigate the materials you have been given and different ways you can use these materials to create your helicopter.