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Solar and battery powered airplanes are nothing but oddities.
The solar powered planes have to be built so light that they will never be able to hold any meaningful payload other than maybe some scientific data collecting sensors.
The battery powered planes are severely hampered by battery weight which affects both useful payload and/or flight time. If battery technology ever advances enough to provide a 150lb battery capable of driving a 100 hp motor for 3-4 hours, then maybe they could become feasible (but I doubt it).
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne
0% Liberal
Men do not quit playing because they get old.... They get old because they quit playing.
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