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AT-99

The official name of AT-99 Gunship

Common Scorpion

Dimensions of 11.17 meters in length, 8.72 meters wide, 3.51 meters in height

Cruising speed of 190 knots.

Flight range of 800 km with a full supply of fuel and combat stress.

Powerplant Two independent coaxial type, a total of four three-bladed propeller. The two annular ceramic turbo engine reversing position Magnussen KE-76.

Navigation and surveillance thermal imager, radar, radio systems - electronic identification (IFF (the defendant "the - another"), passive shielding system.

Four Arms, "Gauss gun" .50 caliber, rate of fire 700 rounds per minute. Scorpion has two pairs of wings, pylons for mounting additional weapons. In addition, the missile is 150 TC-411 WAFAR (Wrap-Around Fin Aerial Rocket) in ten 15-chargers launch tubes. Appointment of rockets varies according to the

type of warhead, which can vary depending on the tactical situation. Eight rockets Hawkeye Hellfire (Helicopter Launched Fire-and-forget) class "air - air" from the homing sensor is used to destroy air targets.



General Provisions



AT-99 "Scorpion" Gunship is a sample of dvuhturbinnogo vehicle vertical takeoff and landing (VTOL). It is protected by a light composite armor plating in the cab and the canopy of the bulletproof laminated material consisting of aluminum oxynitride and polycarbonate. Weapons under the control of full-time on-board computer. There is a manual control pilot in conditions of high EMF. The display driver is transparent, circular dive.

Fire is controlled by IFF (Identification Friend / Foe) »the - another" locking system that prevents friendly fire in difficult battles with many participants on both sides. In essence, the instrument refuses to fire if the projected flight path cone friendly facility will be superimposed on the trajectory of a projectile the maximum flight range. All air vehicles at Pandora can monitor each other within the theater of combat operations in real time, using the IFF beacon which data will be integrated into the weapon system through the IFF defendant.

Chairs do not have a catapult, so that extinction is the only engine output autorotation (explain, if, in the case of engine failure the helicopter blades deployed as close to the wind (almost horizontal), the screw will whirl through oncoming traffic created by the force helicopter will enable planning). Scorpio, like all helicopters late 21 th century, has one serious drawback. If the blade system is damaged enough to cause a misalignment in the rotor hub and blade release, the helicopter was seriously damaged as a result of centrifugal force garbage otletevshego toward the body. Then immediately follows the asymmetric drift, which causes uncontrolled barrel, and then the total loss of vehicle

This defect is compensated by the shock-resistant ceramics and carbon nanotubes in a circular rims that protect the propeller. These rims are quite robust and can withstand considerable shocks. They also do not allow the blades in contact with obstacles, when the helicopter is operating in difficult conditions. This makes the helicopter ideal for air operations in the skies of Pandora, of tropical forests and soaring mountains. Special 'anti-liannye "cutters (referred Trudi) were added to the front edge of the casing and protective rim. They send any hazardous branches and vines on the cutting edge, very similar to the device for cutting a wire transmission lines, which are used in helicopters of the Earth for two centuries.

Tactical - Specifications

Scorpion Twin engines are the same as any standard helicopters from the mid 21 th century to the present. Maximum speed is 190 knots on the Earth. His screw system can withstand up to 3G to 2G of positive and negative overload, from 2% - ing factor engineering (errors at compile time). Maximum rate of climb 545 feet per minute, with a full fuel tank and combat stress.

Like the Bell AH-1 Cobra Gunship "Scorpion" is a light, agile and adaptable flying platform. Standard configuration includes: two front guns, rocket stands on the main wing, the lower the pylons in the middle of the fuselage, and rocket containers on the bottom front of the pylon. Scorpio is usually loaded with eight rockets, "air-to-air" Hawkeye and ten missiles "air-land" TK-411.

Composite three-bladed screws up 5.49 meters in diameter, and overlap each other in a coaxial (that again - still just coaxial) configuration. There are two coaxial systems, one on each side, representing the pylons, which are mounted screws. The pylons are fixed at an angle of eight degrees up (standard dihedron (the angle formed by two planes) for the stable operation of a dual channel-screw system.)

Lifting capacity can increase or decrease collective pitch (angle of the blades in general and in particular) of the screws, which is driven by servo installed in the base of each of the six blades. The general step is controlled by a standard type of regulator, located under the pilot's left hand, pressing the up or down. Screws in turn, at constant r / min (RPM), with a common step in creating a total of lifting air column. Fixed frequency / min maintained by on-board computer. Throttle (that is manually adjustable rev / min) are used only when the pilot manual control, and, as a rule, in a marching lock the mode. In combat or emergency condition, the throttle can be fully open to 120% of standard power, but it brings the speed of the blades to the speed of sound in the atmosphere reduces the life of the screw due to vibration.

At hovering and low-speed flight, collective pitch case relate to the pitch propellers. The pitch angle (tilt the nose up - down and off, respectively - decrease) is controlled by a joystick on the right hand of the pilot, set on the right armrest.

The bank is governed by the difference of the collective pitch to the left and right propeller systems. Governed by the same servo system. Operated by tilting the joystick to the left - right.

Yaw (rotation) is performed by turning the screws of the right and left side to the opposite angles relative to each other (such as screws right pylon down - back down the left - forward). Yaw is controlled by foot pedals, traditional since the time of the first models of helicopters (and in small aircraft at all).

Moving forward - backward by means of the same inclination of screws left and right side. This is done by servo, located at the base of the two pylons. In order to accelerate forward, left and right pylons sending its air column in the stern. And contrary to slow unfolding. Any system of coaxial, counter-rotating propellers has a neutral torque (and therefore do not need a tail rotor), and therefore do not have the pylons of the angular drift in yaw, or acceleration \ deceleration. Management is the slope of the joystick forward - backward.

There is little point in lifting the pendulum system, which provides stability in hover, which leads to the characteristic "burying his nose," when accelerating from a hover position, but this feature is not visible at high speeds, thanks to the stabilizing role of the tail.

The power plant consists of two turbo-generators with capacity 1970 hp, 1469 kW, powered by a common switchgear. line. From the main power line depart two side, which feed two independent engine, located on the respective sides, and not in the center. There is a reserve ultracapacitor (mega - battery) that can support frequency / min for two minutes in case of total engine failure.

Other model helicopters:Ka-58, RAH-66 Comanche, UH-60 Black Hawk, AH-64 Apache, Ka-52 Alligator, PAH-2 Eurocopter, Ka-50 Black Shark, AH-1W Super Cobra, Mi-24 Hint, Mi-8 Hip, AS-332 Super Puma, UH-1 Iroqoies, MD-500