Avio Delta Thruster

The Avio Delta Thruster is a Bulgarian ultralight trike, designed and produced by Avio Design of Vetrino. The aircraft is supplied as a complete ready-to-fly-aircraft.
Design and development.
The aircraft was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of . It is German DULV certified and can be flown with any suitable cable-braced hang glider high-wing. The aircraft features weight-shift controls, a single-seat open cockpit, tricycle landing gear and a single engine in pusher configuration. The hang glider wing can be replaced with a paraglider wing and requires ten minutes to convert.
The aircraft is intended to be quickly folded into a package small enough to fit into a car for ground transport.
The aircraft is made from bolted-together aluminum tubing, with its single or double surface wing covered in Dacron sailcloth. A number of different hang glider and paraglider wings can be fitted to the basic carriage. A typical hang gider wing used would have a span and would be supported by a single tube-type kingpost and use an "A" frame weight-shift control bar. The carriage front wheel is adjustable to allow for different pilot leg lengths.
The powerplant is a single cylinder, air-cooled, two-stroke, Simonini Mini 2 engine. Without the wing, the aircraft has an empty weight of and a gross weight of . The fuel tank holds .
An electric version was under development in 2011.