A high-speed vertical take-off and land aircraft includes a body with an engine supported by the body. A fan assembly is also carried by the body. The fan assembly includes a hub and a plurality of blades to provide vertical lift for the aircraft. A plurality of frictionless air bearings vertically support the fan assembly while a plurality of idler wheels horizontally center the fan assembly. In addition the aircraft includes an active system for sensing vibration and balancing the fan assembly.