One of them is Solar powered twinset glider SunSeeker Duo. Nice machine:
View: https://youtu.be/uBA4XeMddMY
Was reading the AQUILINE RPV (CIA) thread and thought solar powering would fit well for a super long range bird like RPV. With the solar panels recharging some batteries, and a AI that would check for thermals and when to run the motor on solar or battery, could stay up all day in a good weather environment.
SUNSEEKER DUO - Solar Flight
Sunseeker Duo – First Two seat solar powered aircraft The Sunseeker Duo is the most advanced solar powered airplane in the world. It is Solar Flightʼs third solar powered airplane. It has a wingspan of 22 meters; an empty weight of 280 kg and 1510 solar cells with 23% efficiency. The airplane is...
www.solar-flight.com
Was reading the AQUILINE RPV (CIA) thread and thought solar powering would fit well for a super long range bird like RPV. With the solar panels recharging some batteries, and a AI that would check for thermals and when to run the motor on solar or battery, could stay up all day in a good weather environment.