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27th Jul 2016, 06:21

#81 (permalink)

Andrewgr2

Join Date: Jul 2008

Location: Only occasionally above FL50

Age: 71

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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.

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