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52 Cards in this Set
- Front
- Back
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aero |
pertaining to air |
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aerodynamics |
relating to the forces of air in motion |
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aeronautics |
the science of flight within the atmosphere |
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aerospace |
a combination of aeronautics and space |
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air |
a mixture of gases that contains approximately 78% nitrogen, 21% oxygen, and 1% other gases |
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aircraft |
any machine that is capable of flying through the air; included are ultralights, airplanes, gliders, balloons, helicopters, and parasails |
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airplane |
an aircraft that is kept aloft by the aerodynamic forces upon its wings and is thrust forward by a means of propulsion |
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airfoil |
a component, such as a wing, that is specifically designed to produse lift, thrust, or directional stability |
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airport |
a place on either land or water where |
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altitude |
height above sea level or ground level expressed in units |
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aviation |
the art, science, and technology of flight within the atmosphere |
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camber |
the curved part of an airfoil from its leading edge to trailing edge |
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chord |
a line drawn through an airfoil from its leading to trailing edge |
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downwash |
the downward movement of air behind a wing in flight |
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drag |
a force which slows the forward movement of an aircraft in flight |
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dynamic |
forces in motion |
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gravity |
the natural force pulling everything to Earth |
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leading edge |
the front part of a wing or airfoil |
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lift |
the upward force that opposes gravity and supports the weight of an aircraft |
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relative wind |
the flow of air which moves opposite the flight path of an airplane |
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thrust |
the force which moves an aircraft forward in flight |
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upwash |
the upward movement of air ahead of the wing in flight |
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vortex |
a spinning column of air that is created behind the wingtip as a result of air moving from an area of high pressure on the bottom to an area of low pressure on the top |
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wind |
air in motion |
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MSL |
altitude above mean sea level |
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AGL |
altitude above ground level |
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convection |
fluid motion between regions of unequal heating |
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density |
mass in a given volume |
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glide ratio |
a mathematical relationship between he distance an aircraft will glide forward to the altitude loss |
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lapse rate |
the average rate at which temperature decreases with an increase in altitude |
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average lapse rate |
3 1/2 degrees fahrenheit lost per 1000 feet gained in altitude |
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soaring |
the art of staying aloft by exploiting the energy of the atmosphere |
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stability |
the atmosphere's resistance to vertical motion |
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thermal |
a column of air that moves upwards (warm air rises) |
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tow plane |
usually a single engine plane that will pull a glider from the ground to an altitude where it can be realeased |
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wave |
a waving action with strong up and down motions started as air moves across mountain ranges (used to gain alt. by sailplane pilots) |
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altimeter |
instrument to provide the height of the aircraft above sea level |
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balloon |
an aircraft that uses lighter-than-air gas for its lift, with no built in means of horizontal control |
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burner |
the heat source for filling the envelope with hot air |
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buoyancy |
to rise or float on the surface of water or within the atmosphere |
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crown |
the top of the hot air ballon's envelope |
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gondola |
a wicker basket, hanging below the envelope, used to transport passengers and propane tanks |
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gore |
one of several vertical panels that make up the envelope |
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Montgolfier |
the name of two French brotherswho created the first successful, manned, hot air balloon in 1783 |
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parachute panel |
loccated in the top of the balloon's envelope that allows it to be deflated |
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propane |
a lightweight, low carbon fuel used in hot air balloon burners |
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thermistor |
an instrument that measures the temperature in the envelope |
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variometer |
an instrument to determine the rate of climb or descent, sometimes referred to as the vertical velocity indicator |
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Daedalus and Icarus |
Mythological Greeks who tried to fly by building wings from wak and collected feathers |
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Chinese sailors used kites for: |
military observation |
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Joseph and Etienne Montgolfier created |
the first successful hot air balloon |
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Pilatre d'Rozier and Francois d'Arlandes |
first to fly hot air balloon in nov 1783 |
