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It is a system provided to reduce vibrations caused from helicopter Rotors or Blades. It is passive Type of Reduction system. It reduces mainly 4/rev vibrations. Generally, this system is fixed in between the Rotors and Fuselage.

Aris system consists of spring, Diaphragm, Pendulum. Spring is for Providing Stiffness & Diaphragm for Transfer motion of spring to Pendulum. Pendulum is to Dissipate Energy.

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What is counter rotate?

Counter rotation refers to the opposite rotation of two objects, often gears or propellers, working together in a system. This motion can help balance forces and reduce vibrations in certain systems, such as marine engines or helicopters, by counteracting the torque generated by the main rotation.


Which standing wave has exactly two anti-nodes?

A standing wave with two anti-nodes is known as the second harmonic or first overtone. In this case, the wave has a node at each end with two anti-nodes in between. This pattern represents the fundamental frequency of the vibrating system.


What is the weight of LRASSS?

"Long Range Anti-Ship Surface-to-Surface System (LRASSS)" does not have a standard weight as it is a concept or system that can vary in weight depending on the specific configuration, components, and size of the system.


Why don't helicopters spin around in the air?

Some helicopters feature a second rotor underneath the first rotor that counters the force applied to the body of the helicopter by applying thrust in the opposite direction of the main rotor. This stops the helicopter from spinning around. Others, instead of a second rotor underneath the first rotor have a back rotor that essentially does the same thing, which is provide a equal force to the first rotor preventing the helicopter from spinning =0


What do you use to protect a system against static electricity?

You can use an anti-static wrist strap or an anti-static mat to protect a system against static electricity. These devices help to safely discharge any built-up static charge on your body before you touch sensitive electronic components, preventing potential damage to the system.