It makes the balloon suddenly get one whole person lighter and shoot up in the air. The pilot has to prepare for this by being in a descent when the jumper jumps out. If the jump is unexpected, the balloon will climb so fast that the balloon collapses, deflating and falling out of the sky.
As other people have said, it can cause the balloon to collapse, if the pilot doesn’t prepare for it. There’s a video on Youtube where a guy explains why it’s a bad idea after some dude tried to jump out of his balloon (with a parachute) without permission.
How so
It makes the balloon suddenly get one whole person lighter and shoot up in the air. The pilot has to prepare for this by being in a descent when the jumper jumps out. If the jump is unexpected, the balloon will climb so fast that the balloon collapses, deflating and falling out of the sky.
As other people have said, it can cause the balloon to collapse, if the pilot doesn’t prepare for it. There’s a video on Youtube where a guy explains why it’s a bad idea after some dude tried to jump out of his balloon (with a parachute) without permission.
the video in question
You jump out, basket starts swinging wildly from the sudden shift in weight, balloon collapses, basket falls to ground.
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