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Old September 11th 17, 08:20 PM posted to rec.aviation.soaring
Duster[_2_]
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Posts: 198
Default Perlan II up again

Landed now. Curious; on Sept 3rd when they broke the altitude record by going above 52K' they descended to return even though it appeared they were still in strong lift and could have gone higher. Out of battery power, air (for pressurization), O2 perhaps? Anyone know for sure?