Heli-Sport CH77 Ranabot

The Heli-Sport CH77 Ranabot is an Italian helicopter designed and produced by Heli-Sport of Turin. The aircraft is supplied as a kit for amateur construction.

Design and development
The CH77 Ranabot was designed to comply with the European Class 6 microlight helicopter rules. It features a single main rotor and tail rotor, a single-seat, a two-seats-in side-by-side configuration enclosed cockpit, skid landing gear and an EPA Power-modified four-cylinder, liquid and air-cooled, four stroke 130 hp Rotax 914 engine.

The aircraft's two-bladed rotor has a diameter of 6.28 m. The aircraft has a typical empty weight of 280 kg and a gross weight of 500 kg, giving a useful load of 220 kg. With full fuel of 66 L the payload for the pilot, passenger and baggage is 173 kg. The microlight category version has a gross weight of 450 kg

Reviewer Werner Pfaendler wrote, "with side-by-side seating combined with excellent comfort, handling and performance, plus a reliable engine (a Rotax 914 tuned by EPA Power), it has a lot to offer...[It] boasts minimal operating costs, only some 6% higher than the CH7 Kompress Charlie 2".