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Classic Army M4 AEG with a replica Aimpoint CompM2 red dot sight Airsoft pellets. Airsoft guns are air guns used in airsoft sports. They are a special type of low-power smoothbore guns designed to shoot plastic pellets often colloquially (but incorrectly) referred to as "BBs", which are typically made of (but not limited to) plastic or biodegradable resin materials.
This causes a problem due to the rapid-fire nature of many competitive paintball skirmishes, so the high-pressure air (HPA, or "N 2") systems are more commonly used. In 2004, Crosman introduced a new disposable CO 2 power source, the 88 gram AirSource.
TA [3] - Transition Altitude - altitude at which the pilot changes the aircraft's altimeter setting (usually from QNH) to standard pressure (1013.25 hPa) TL - Transition Level - the lowest flight level available for use above the transition altitude; TLY - Transition Layer - the airspace between the transition altitude and the transition level
Old altimeters were typically limited to displaying the altitude when set between 950 mb and 1030 mb. Standard pressure, the baseline used universally, is 1013.25 hectopascals (hPa), which is equivalent to 1013.25 mb or 29.92 inches of mercury (inHg). This setting is equivalent to the atmospheric pressure at mean sea level (MSL) in the ISA
Aircraft operating at higher altitudes (at or above what is called the transition altitude, which varies by country) set their barometric altimeters to a standard pressure of 29.92 inHg (1 atm = 29.92 inHg) or 1013.25 hPa (1 hPa = 1 mbar) regardless of the actual sea level pressure.
10 kPa 1.5 psi Pressure increase per meter of a water column [26]: 10 kPa 1.5 psi Decrease in air pressure when going from Earth sea level to 1000 m elevation [citation needed]
The geopotential thickness between pressure levels – difference of the 850 hPa and 1000 hPa geopotential heights for example – is proportional to mean virtual temperature in that layer. Geopotential height contours can be used to calculate the geostrophic wind , which is faster where the contours are more closely spaced and tangential to ...
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa), which is equivalent to 1,013.25 millibars, [1] 760 mm Hg, 29.9212 inches Hg, or 14.696 psi. [2]