Tungsten alloy ballast for aircraft

Tungsten Heavy Alloys (WHAs) are the best choice when Designers in aerospace and defense industries require a material which combines high density, good mechanical strength and which is easily machined.
The high density of WHAs makes it possible to significantly reduce the physical size of components. This in turn, gives the benefit of greater control of weight distribution and increases the sensitivity of controlling mechanisms. Where a large mass must be housed within a restricted area, WHAs are the ideal material.

Appliance for the tungsten heavy alloy ballast for aircraft:
Flight Control Systems
WHAs Counter balances are often used to optimize the performance of flight control surfaces, such as rudders, elevators and ailerons, with many advantages over conventional balance materials e.g. steel or lead.

Rotor Blades
Helicopter rotor blades demand perfect balance. WHAs can be utilized to compensate for any imbalances built into individual blades during the manufacturing process, such as helicopter balance.

Propellers
WHAs counterweights are incorporated into the pitch control system of many propeller designs as a fail-safe device to ensure that overspeeding is prevented.

Inertial Systems
WHA is incorporated into the rotating flywheels of gyroscopic controls for the storage of kinetic energy. WHAs weights are used for two purposes in this type of gyroscope:
1) To adjust the center of gravity of the triangle.
2) To adjust the frequency of oscillation of the laser beams.

Bucking Bars
Bucking bars made of WHAs with high density are ideal for vibration-damping applications. Many aerospace companies now turn to WHAs materials for their great advantages over steel materials.

Trim Weights
During the last stages of assembly, weights may be required to adjust the final balance of the aircraft.
WHA is the natural choice when working in a restricted space envolope, because of its high mass/size ratio. However, it can also offer the advantage of actually reducing the total trim weight mass, because higher density material can be located further from the pivot point, whilst achieving the same moment.

Prototype Work
WHA is frequently used in prototype work as ballast to simulate the weight of instruments, passengers etc. during test flights or on scale models for wind-tunnel testing.

Satellites
WHAs materials are frequently used for mass balancing which plays a significant role to make sure the center of gravity is precisely located, during the progress of space flight, to ensure that correct orbit entry is achieved.
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