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Back to: "D"drag
- Definição1
- The force tending to resist an airfoil's passage through the air. Drag is always parallel to the relative wind and perpendicular to lift.
- Fonte1
- SCHAFER, Joe. Helicopter maintenance. Englewood: Jeppesen Sanderson, Inc., c2007. viii, 343 p.
- Definição2
- An aerodynamic force on a body acting parallel and opposite to relative wind.
- Fonte2
- FEDERAL AVIATION ADMINISTRATION. Rotorcraft flying handbook (FAA-H-8083-21). Washington, DC: FAA, 2000. Disponível em: http://www.faa.gov/library/manuals/aircraft/media/faa-h-8083 -21.pdf. Acesso em: 10 fev. 2012.
- Definição3
- The force that resists the movement of a helicopter through the air and is produced when lift is developed is called drag. Drag always acts parallel to the relative wind. Total drag is composed of three types of drag: profile, induced, and parasite.
- Contexto
- Even the slightest bit of frost, ice, or snow can reduce lift by 30 percent and increase drag by 40 percent.
- Subárea1
- Aerodynamics
- Related Term
- force
- induced drag
- parasite drag
- profile drag
- total drag
- Português
- arrasto