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Goal: a large fuel efficient disc shaped VTOL aircraft.
- a large rotor to create a large external airstream for VTOL.
- gyro stabilized inner "repel ring" to counter force the rotor's torque.
- controllable rotor wings for stabilization and flight control.
- a turbine gas, or electro magnetically driven rotor.
- small efficient jet engines for forward flight.

Giesbert Nijhuis

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