MY "BRAZIL"
impossible! Now I am used to it I expect it. But in those days it troubled me. Still I persevered.
They showed me that for a balloon to have "stability" it must have a certain weight. Again, a balloon of 100 cubic metres, they said, would be affected by the movements of the aeronaut in his basket much more than a large balloon of regulation size.
With a large balloon the centre of gravity
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in the weight of the aeronaut is as in Fig. 1, a. When the aeronaut moves, say, to the right
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