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A blended winglet is attached to the wing with a smooth curve instead of a sharp angle and is intended to reduce interference drag at the wing/winglet junction. A sharp interior angle in this region can interact with the boundary layer flow causing a drag inducing vortex, negating some of the benefit of the winglet.
APB expects Scimitar Winglet Systems installed on a 737-800 to save the typical airline more than 45,000 gallons of jet fuel per aircraft per year resulting in a corresponding reduction of carbon dioxide emissions of 476 tons per aircraft per year. The fuel savings can enable a 737-800 to increase its payload up to 2,500 pounds or increase its ...
The Spiroid winglet is a closed wing surface attached to the tip of a conventional wing. Wingtip vortices form a major component of wake turbulence and are associated with induced drag, which is a significant contributor to total drag in most regimes. A closed wing avoids the need for wingtips and thus might be expected to reduce wingtip drag ...
Split Scimitar winglets became available in 2014 for the 737-800, 737-900ER, BBJ2 and BBJ3, and in 2015 for the 737-700, 737-900 and BBJ1. [138] Split Scimitar winglets were developed by Aviation Partners , the same Seattle-based corporation that developed the blended winglets; the Split Scimitar winglets produce up to a 5.5% fuel savings per ...
[87] [88] Continental Airlines was the first carrier to order winglets for the 757-200, and in February 2009 became the first operator of 757-300s with winglets. [89] Aviation Partners further developed the blended winglet into the Scimitar Blended Winglet, which improves fuel burn by 1.1% over the original blended winglet. [90]
Scimitar antenna, a type of aerospace radio antenna; Scimitar propeller, a type of aircraft propeller; Reliant Scimitar, a sports car; Masak Scimitar, a glider designed and built by Peter Masak; Reaction Engines Scimitar, an aircraft engine; Scimitar (game engine), a video game engine; Split scimitar winglets, a type of wingtip device
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
The Scimitar was used by the three formation reconnaissance regiments of the British Army. After the Strategic Defence and Security Review in 2010, some regiments' Challenger 2 tanks were replaced with CVR(T) Scimitars. [22] The Scimitar was retired from active service in April 2023. [2] Belgium – 153 units, [23] withdrawn from active service ...