I don't think the rotor is made from solar cells. See the solar cells get covered up at 158 seconds: https://youtu.be/bf7RjMUXomE?si=PZsAkrJeQ4ichWaw&t=158 htt

I don't think the rotor is made from solar cells. See the solar cells get covered up at 158 seconds: https://youtu.be/bf7RjMUXomE?si=PZsAkrJeQ4ichWaw&t=158 https://youtu.be/bf7RjMUXomE?si=PZsAkrJeQ4ichWaw&t=158 ...but the electrostatic motor is pretty cool, and is key to the ultra light weight.