Solar Impulse
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Exxb
solar impulse: 42000 km
Fedor's balloon: 35000 km in round figures. That's pretty close and presumably meets the FAI's definition of circumnavigation- must check.
solar impulse: 42000 km
Fedor's balloon: 35000 km in round figures. That's pretty close and presumably meets the FAI's definition of circumnavigation- must check.
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Thread Starter
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Last edited by ExXB; 28th Jul 2016 at 08:56.