I'm curious about his electric vertical take off and landing supersonic airplane idea. He has mentioned it in several interviews so far. I wonder how he plans to position the electric motors and the fans. Vertical take off needs a huge amount of power compared to normal runway take off, that means bigger batteries... He surely has based the concept in first principles, but I must be missing something about this one.
Just speculating.. do you have to take the launch batteries with you?
I didn't think it that way, maybe a vertical launching tower to give the initial take of acceleration with linear induction ala Hyperloop. It's a good idea.