| Model airplanes are exact replicas of the various real | | | | would make the bottom of the aircraft heavier and |
| airplanes that fly in the skies. These airplanes are | | | | give it better stability. If the wings are placed a little |
| powered by an engine that runs on gas or battery or | | | | lower, it gives better maneuverability, as the weight is |
| electricity and some even use jet propulsion for the | | | | concentrated on the top of the aircraft. |
| required power. These planes are normally made up | | | | To fly a plane, the aerodynamics is very important. |
| of balsa wood, plywood or may be even composite | | | | This is where the wings come into play, as they have |
| fiber. | | | | to get past the gravity and power the lift. It has to be |
| An important aspect to be considered, while designing | | | | greater than the airplanes weight, in order to help it |
| these planes is the aerodynamic effect their shape | | | | take off the ground. This cannot be achieved, when |
| would have on their flight quality. It is also very | | | | the plane is stationary. It needs to get the thrust to |
| important to consider the center of gravity for the | | | | move the wings forward, thereby creating the lift. The |
| entire body of the plane, to enhance flight quality. | | | | thrust created also depends on the wing surface, |
| The plane is controlled using a remote control. The | | | | which is calculated in ounces per sq. foot. A light wing |
| remote control of the model airplane is similar to the | | | | is recommended for beginners, as it can be controlled |
| remote control of a T.V. or music System or even a | | | | better than planes with heavier wings. The drag |
| R.C. car. However, these remote controls use infrared | | | | depends on the wing thickness. A thicker wing is for |
| waves, while model airplanes use radio waves. When | | | | slower speeds and a lighter wing for racing and aerial |
| flying the R.C. plane, the remote control acts as a | | | | acrobatics. |
| transmitter, which sends radio waves. | | | | Dihedral is the angle of the wings, when tilted upwards |
| A regular airplane depends on the airfoil components | | | | from the body of the plane. This help in the stability of |
| of its wings, to help in taking off with the forward | | | | the plane, when in motion. |
| motion. Thrust or push is essential, to make the airplane | | | | The engine of a conventional remote controlled plane |
| fly and move forward, as this has to be achieved | | | | is a two stroked engine, that uses glow fuel to power |
| against the wind direction and drag. It is only, when you | | | | it. There are four stroke engines as well. Engine that |
| can get more power against the gravitational pull and | | | | use electrical power does not emit smoke and is |
| drag that your plane will fly. Location of the airplanes | | | | relatively clean and silent. The range for a remote |
| wings is essential for its flight. To make it stable, the | | | | controlled plane is roughly a mile, which is good enough |
| wings can be designed a little on the higher side, as this | | | | to be exciting and thrilling flying it. |