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The Symphony SA-160 was designed with two unusual vortex generators on its wing to ensure aileron effectiveness through the stall. A vortex generator (VG) is an aerodynamic device, consisting of a small vane usually attached to a lifting surface (or airfoil, such as an aircraft wing) [1] or a rotor blade of a wind turbine. [2]
When the speed is reduced and the aircraft approaches stall, the local flow at the leading edge is diverted outwards; this spanwise component of velocity around the vortilon creates a vortex streamed around the top surface, which energises the boundary layer. [6] A more turbulent boundary layer, in turn, delays the local flow separation.
The Symphony SA-160 side view The Symphony SA-160 standard instrument panel Symphony SA-160 showing 40 degree deflection on its Fowler flaps and its aileron end fences The Symphony SA-160 has two unique vortex generators on its wing to ensure aileron effectiveness through the stall The OMF-100-135 Symphony Thielert Centurion 1.7 diesel equipped prototype
On aircraft with swept wings, wing tip stall also produces an undesirable nose-up pitching moment which hampers recovery from the stall. Washout may be accomplished by other means e.g. modified aerofoil section, vortex generators, leading edge wing fences, notches, or stall strips. This is referred to as aerodynamic washout.
A plasma actuator induces a local flow speed perturbation, which will be developed downstream to a vortex sheet. As a result, plasma actuators can behave as vortex generators. The difference between this and traditional vortex generation is that there are no mechanical moving parts or any drilling holes on aerodynamic surfaces, demonstrating an ...
A Quickie Q2, with vortex generators on the canard. The Quickie Aircraft Corporation was founded in Mojave, California, in 1978 to market the Quickie homebuilt aircraft (models Quickie, Quickie Q2, and Quickie Q200 aircraft). The original single-seater Quickie was designed by Burt Rutan and company founders Gene Sheehan and Tom Jewett.
Nose, wing and ventral strakes Vortices over the wing strakes of an F/A-18E Super Hornet. In aviation, a strake is an aerodynamic surface generally mounted on the fuselage of an aircraft to improve the flight characteristics either by controlling the airflow (acting as large vortex generators) or by a simple stabilising effect.
He modified the prototype Kitfox Lite to meet FAR 103 regulations requiring an ultralight aircraft to have an empty weight of less than 254 lb (115 kg). [1] [2] [3] [5] The fuselage is made from 4130 steel tubing. Flaperons and vortex generators are used to improve roll control and low speed flight. The wings are foldable for storage.