What actually happens when you lower your flaps? You increase lift and induced drag for any given angle-of-attack. Here
How Do Flaps Work?
Flap Settings - AVweb
How Do Flaps Work?
Should flaps be up or down for takeoff? - Quora
Understanding Flaps - Community Tutorials - Infinite Flight Community
FlexSys's Wing Flaps Promise to Save Fuel - Bloomberg
Why Do Planes Have Flaps?
Flaps The Balsa Workbench
The 5 Types of Flaps Explained - Pilot Institute
5 Aerodynamic Facts Pilots Should Know About Flaps
aerodynamics - What is the working principle of a Gurney Flap? - Aviation Stack Exchange
How Do Fowler Flaps Work? 5 Things You (probably) Didn't Know
RC Airplane Controls Explained