lead-lag movement

См. также в других словарях:

• lead-lag motion — An angular oscillation of a rotor blade in the plane of rotation about a substantially vertical axis. The fore and aft movement of the tip of a helicopter rotor blade in its plane of rotation. Lead lag motion is the freedom given to each blade of …   Aviation dictionary

• lead-lag hinge — The hinge at the root of a helicopter rotor blade with its axis perpendicular to the plane of rotation. It allows the blade tip to move back and forth in its plane of rotation. Movement about the lead lag is called drag. Drag dampers oppose this… …   Aviation dictionary

• Singapore Dads for Life movement — Dads for Life (DFL) is a national men s movement in Singapore promoting active fatherhood.[1] Contents 1 History 2 Effects of Father Involvement 3 Organisation …   Wikipedia

• Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …   Wikipedia

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• dragging — The freedom given to each blade of a rotor to allow it to move in the plane of rotation independently of other blades. It is basically the angular oscillation of a rotor blade in the plane of rotation about a substantially vertical axis. This is… …   Aviation dictionary

• Hari Singh Burdak — (1884 1966) ( hi. हरीसिंह बुरडक) was a freedom fighter of Shekhawati region in Rajasthan, India. He was born in year 1884 in a Jat Hindu family of Burdak gotra in village Palthana of Sikar district in Rajasthan, India. He was a brave, fearless… …   Wikipedia

• delta-three hinge — A hub hinge arrangement that is a coupling effect between either the flapping or lead lag hinge and a blade pitch. A blade has a delta three hinge if the movement of the blade in either axis causes the blade pitch to change. Pitch change rod… …   Aviation dictionary

• alpha hinge — The hinge at the root of a helicopter rotor blade with its axis perpendicular to the plane of rotation. It allows the blade tip to move back and forth in its plane of rotation. Movement about the alpha hinge is called drag. Drag dampers oppose… …   Aviation dictionary

• Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …   Wikipedia

• Hook’s joint effect — The movement of a rotor blade to reposition itself relative to the other blades when a cyclic stick is applied. This situation arises when the plane of the rotor disc and the drive shaft are not normal to each other. In I and II, the helicopter… …   Aviation dictionary