6 ms·
At least at loon, the balloon has a ballonet that takes on atmosphere as ballast for descending.
by bradleysmith 8y ago
At least at loon, the balloon has a ballonet that takes on atmosphere as ballast for descending.
- londons_explore 8y agoA balloonet is a small balloon inside the big balloon. By filling it with air, you are adding mass to the craft without changing the crafts volume.