Skip to content
Part 1: Propeller RPM and Pitch
Part 2: Propeller Thrust
Part 3: Forces of Flight
Part 4: Center of Thrust, Center of Gravity, and Center of Pressure
Part 5: Drag
Part 6: Air Drag and Cross Sections
Part 7: The Equations for Speed
Motor Arms: Round or Flat???
Down and Dirty Drones
Home of the fastest 4s quads on the planet; a site dedicated to understanding the dynamic and physical attributes desired in quadcopter frame design.