Ballast (Balloon Inflation Ballast)
Ballast (Balloon Inflation Ballast) :
In gas ballooning is used to control buoyancy (affecting altitude) during flight. Ballast is frequently in the form of sand or water and is carried aloft at launch. When the pilot needs to adjust the balloons altitude, a small amount of ballast is jettisoned from the gondola which reduces the gross weight of the
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