The Skylark was designed to comply with the US Experimental - Amateur-built aircraft rules. It features a single main rotor, a single-seat open cockpit without a windshield, skid-type landing gear and a twin cylinder, liquid-cooled, in-line two-stroke, carbureted 700NaN0 Hirth 3503 aircraft engine. The twin cylinder, liquid-cooled, in-line two-stroke, 640NaN0 Rotax 582 has also been used. A cockpit enclosure was optional.[1] [2] [3]
The aircraft fuselage is made from welded 4130 steel tubing, with an aluminium tail boom. Its 191NaN1 diameter two-bladed rotor employs a NACA 0012 airfoil. The main transmission is of belt and chain type, whileteh tail rotor is driven by a long shaft. The control system consists of conventional helicopters controls. The aircraft has an empty weight of 3500NaN0 and a gross weight of 7000NaN0, giving a useful load of 3500NaN0. With full fuel of the payload for pilot and baggage is 3020NaN0.[1] [2] [4]
The manufacturer estimates the construction time as 300 hours.[1]
By 2005 the company reported that 5 were completed and flying.[1]
By January 2015 no examples were registered in the United States with the Federal Aviation Administration, although one had been registered at one time.[5]
The airframe plans have been spreading via internet under name "Furia".[6]