[OrioleFan]

The stress on that center wing must be enormous.

[867V309]

The stress on that center wing must be enormous.

seems like a brace toward the tail would counter a lot of torque and act as an additional airfoil.

[bunkerhill7]

Same engineers that designed this lulu also designed the Tacoma Narrows Bridge.
A perfect CG fulcrum = twist and shout like the Tacoma Narrows Bridge

https://www.youtube.com/watch?v=nFzu6CNtqec

[logi_cal869]

I said the same thing long ago. I’m not surprised that they abandoned it. That design was very poorly engineered.

Vehicle failure was my tragic prediction.