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A closed wing is a wing that effectively has two main planes that merge at their ends so that there are no conventional wing tips. Closed wing designs include the annular wing (commonly known as the cylindrical or ring wing), the joined wing, the box wing, and spiroid tip devices. [1] Like many wingtip devices, the closed wing aims to reduce ...
The aircraft's closed wing design, termed a "double box tail", is intended to lower induced drag and be stall resistant, along with boundary layer control methods. [2] Many of the details are disclosed in US patent 8657226 .
A tandem wing design has two wings, one behind the other: see Tailplanes and foreplanes below. Some early types had tandem stacks of multiple planes, such as the nine-wing Caproni Ca.60 flying boat with three triplane stacks in tandem. A cruciform wing is a set of four individual wings arranged in the shape of a cross. The cross may take either ...
Larger blended-wing designs like JetZero's also have to consider evacuations, which could take longer with fewer exit rows. Blended-wing planes have already been flying for years in the military.
Aerodynamically, the Stratos is a very clean design. The most notable feature is its closed wing configuration, with the sweptback foreplane and the high-mounted mainplane being connected at their wingtips by vertical fins. [3] The pilot sits in a recumbent position in a streamlined nacelle.
Annular-wing aircraft (6 P) Pages in category "Closed-wing aircraft" The following 8 pages are in this category, out of 8 total.
A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher engines.
The L-39-2 was retained by Bell to support their X-2 program, being modified with a new fully swept wing of a design intended for the X-2. [ 1 ] [ 3 ] On December 12, 1949, both aircraft were transferred to the Lewis Research Center before being sold for scrap in 1955.