Paper cup airplane how to do

Paper cup airplane practice is as follows:

1, ready to use the materials and tools.

2, align the bottom of the two cups.

3, use paper glue to wrap two circles.

4, take a 25CM rubber band, press the rubber band along the middle of the two paper cups a little tight breakdance a few times.

5, the left hand in the middle of the cup paper, the right hand pull hard to pull out of the rubber band head, while letting go of the left hand, the paper cups will fly out of the airplane.

Aircraft is a power plant with one or more engines to generate forward thrust or pull, by the fixed wings of the fuselage to generate lift, in the atmosphere on, in, and under the flight of heavier-than-air aircraft.

Airplanes can be divided into two categories, military and civilian, according to their use. Military aircraft are those that are used in various military fields, while civil aircraft refer to all non-military aircraft (such as passenger aircraft, cargo aircraft, agricultural aircraft, sports aircraft, ambulance aircraft, and experimental research aircraft, etc.) in general.

Since the emergence of airplanes in the world, the structural form of the aircraft, although the continuous improvement of the type of aircraft, but so far, in addition to a very small number of special forms of aircraft, most of the airplanes are made up of the following six main parts, namely: wings, fuselage, tail, landing gear, maneuvering system, and power plant. Each of them has its own unique function.