Envelope
Fabric portion of a balloon that
contains hot air or gas. |
Equator
The widest diameter of the envelope. |
Equilibrium
Equilibrium at launch is typically
that temperature at which after the balloon has
been inflated and is standing up (erect), the ground
crew is able to hold the balloon in place by resting
their hands lightly on the basket. When lift equals
gravity as in level flight.
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