Triangular spacecraft

US Patent US20060145019A1

A spacecraft having a triangular hull with vertical electrostatic line charges on each corner that produce a horizontal electric field parallel to the sides of the hull. This field, interacting with a plane wave emitted by antennas on the side of the hull, generates a force per volume combining both lift and propulsion.

https://patents.google.com/patent/US20060145019A1/en