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Nevada Space Grant
Student High-Altitude Ballooning |
NV SGC |
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The ballast is a boxed payload of some determined weight. This may seem like just a waste of helium, but it has it's uses.
Our ballast is made of foam core and sand weighed out to bring the total mass lifted by the balloon up to where we want it. Make sure you don't exceed the size to weight restrictions found in CFR section 101. |