Developed from an earlier model, the HX-1 where the pilot was standing, this model included a seat for the pilot and a wheeled landin gear.
Source: “A History of Individual Flying Platforms”, Jeffery A. Schroeder, Paper presented at the American Helicopter Society Vertical Lift Aircraft Conference, San Francisco, CA., 2000
Design authority: Hoppi-copters Inc.
Primary manufacturer: Hoppi-copters Inc.
Parent type: No type defined
Aircraft status: No longer flying
VTOL type: Helicopter
Lift devices: 2 in Coaxial configuration
Crew required: 1 in Single seater arrangement
Landing gear: Wheels (non-retractable)