| This topic explains you the basics of aerodynamics | | | | horizontal stabilizer. Rudder helps to move the plane |
| and airplane parts. A lot more goes on behind the | | | | left or right, whereas elevator is used to move the |
| scenes when you fly your RC Airplane. Understanding | | | | airplane up or down. |
| the basics of aerodynamics and airplane parts can | | | | Landing Gear supports the airplane and absorbs the |
| really help you gain the mastery in flying your Electric | | | | loads during landing. Landing gear mainly consists of |
| RC Airplane. | | | | three wheels, two main wheels located on the either |
| Why do you need to learn Basics of Aerodynamics to | | | | side of the fuselage and a third wheel located either at |
| fly your RC Airplane? | | | | the front or the back of the Airplane. |
| The key difference between the experts and | | | | Powerplant includes engine and propeller. The main job |
| amateurs is that the experts understand their material | | | | of engine is to provide the power to turn the propeller |
| from "inside-out". | | | | which in turn translates the rotating force of engine into |
| If you enjoy flying your RC Airplane, you need to | | | | the forward-acting force known as thrust to help |
| master these material to become an expert at flying it. | | | | move the airplane forward in the air. |
| Not understanding this material would make the art of | | | | Forces Acting on Airplane |
| flying as something very complex and difficult. Not | | | | The four forces acting on airplane at any given time |
| understanding this material would make you feel like an | | | | are Lift, Weight, Drag, and Thrust. In straight and level |
| outsider, merely using your RC Airplane as a toy. If you | | | | un-accelerated flight, lift equals weight and thrust |
| want to get good at flying it, you need to consider this | | | | equals drag. |
| as an art, not a hobby. | | | | What makes Airplane Fly? |
| You don't need to be a science geek to understand it - | | | | In order to understand what makes airplane fly, we |
| it is presented in a fairly simple language and if you are | | | | need to understand a simple scientific principle. Don't be |
| attentive, you will really enjoy reading this material. | | | | too intimidated, this principle is fairly simple. |
| Here we go...Enjoy! | | | | Bernoulli's principle states that "as the velocity of fluid |
| Parts of Airplane | | | | increases, its internal pressure decreases." Surface of |
| Airplane can be divided into five main parts: Fuselage, | | | | wing when interacts with the airstream, it generates lift. |
| Wing, Empennage, Powerplant, and Landing Gear. | | | | The air moves a lot faster from the upper surface of |
| Each of these five parts have their own functions. | | | | the airfoil, which causes lower air pressure on top, |
| Fuselage is the central component of airplane - the | | | | whereas, low-velocity air flow through the bottom of |
| other parts are usually attached the fuselage. | | | | the airfoil causes high pressure at the bottom of the |
| Wings make the aircraft fly - they generate essential | | | | airfoil. This difference in pressure is what causes the |
| force called "lift" that makes the airplane fly. Airplanes | | | | force of lift - that's how airplanes fly. |
| with single set of wings are known as monoplanes, | | | | Aircraft Axes of Flight |
| whereas the ones with two sets are called biplanes. | | | | There are three axes of flight: Longitudinal, lateral, and |
| Wings contain two other parts of airplane known as | | | | vertical axes. These three axes have a common |
| aileron and flaps. Ailerons move in opposite direction | | | | reference point known as the center of gravity. |
| and cause the airplane to roll. Flaps, when moved | | | | When the aileron's move, they cause rolling movement |
| downwards, extend the lifting force during take-offs | | | | along the longitudinal axis of airplane. When the |
| and landings. | | | | elevator's move, they cause pitch up or pitch down |
| The Empennage includes vertical stabilizer, horizontal | | | | movement along the lateral axis of airplane. |
| stabilizer. Rudder is attached to the end of vertical | | | | When the Rudder moves, it causes rotational |
| stabilizer, whereas elevator is attached to the end of | | | | movements along the vertical axis of airplane. |