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DCS: Ka-50 Black Shark

   

DCS: Ka-50 Black Shark
Overview of DCS: Ka-50 Black Shark
Ka-50 Systems Modeling
Helicopter Dynamics Modeling
Landing Gear
Damage model
Rotor model
Powerplant
The hydraulic system
Fuel system
Electrical System
Ka-50 Avionics Systems Overview
Cockpit Instruments
Advanced Moving Map System AMMS (ABRIS)
“Rubicon” Targeting-Navigation System
“Radian” Navigation System
I-251 ?Shkval? System
“Ranet” Information Display System
Head-up display (HUD) ILS-31
Helmet-Mounted Sight (HMS)
OVN-1 Night Vision Goggles
Autopilot
Inertial Navigation System
Air Data System
Doppler Navigation System
Data-link Equipment
L-140 “Otklik” Laser Warning Receiver
Countermeasures Equipment
UHF Radio R-800
Automatic Direction Finder (ADF) ARK-22
Artificial Intelligence (AI) Aircraft
Ground Vehicles, Ships and Weapons
AI Helicopters Flight Model
Black Shark World
Radio Navigation and Physics Modeling
Hydraulics

Overview of DCS: Ka-50 Black Shark

DCS: Ka-50 Black Shark is a PC game of the Russian Ka-50 attack helicopter and is the first title in a new Eagle Dynamics and The Fighter Collection simulation series: Digital Combat Simulator (DCS). Following Eagle Dynamics tradition of excellence, DCS: Ka-50 Black Shark will bring an even more realistic simulation experience than its predecessor LockOn: Flaming Cliffs.

DCS: Ka-50 Black Shark will offer an unprecedented level of realism in regards to flight dynamics, instruments modeling, avionics systems, and weapon systems. The artificial Intelligence of ground vehicles and helicopters has been improved dramatically as well as weapon modeling. A new Mission Editor includes a powerful electronic mapping system that allows user to easily create missions and campaigns. A new campaign system allows the front line of the battlefield to move back and fourth according to your mission success or failure. Due to the increased flexibility of the DCS system, additional fixed-wing aircraft and helicopter add-ons will follow shortly.


Ka-50 Systems Modeling

The Ka-50 flight and systems model has been implemented using the following methodologies.


Helicopter Dynamics Modeling

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Forces and moments
Rigid body dynamics equations have been used to calculate the helicopter’s flight trajectory. In essence, this means that all external forces and force momentums are used to calculate a body’s position and rotation in 3-D space.

The Ka-50 airframe aerodynamic properties are derived from its sub-element parameters: fuselage, wings, tail, and landing gear. Each of these has its own position and orientation within the airframe local-coordinate system and each has their own aerodynamic characteristics. Each sub-element is calculated by independent lift-drag coefficients diagrams, damage degree influencing the lift properties, and center of gravity (CG) position and inertial characteristics. Aerodynamic forces acting on each sub-element of the airframe are calculated separately in their own coordinate system taking into account local airspeed of the sub-element.

Contacts with the ground and external objects are modeled based on rigid contact points system.


Landing Gear

Landing gear is modeled as separate gear arms, each consisting of a wheel and an asymmetric shock absorber. The nose wheel is self-orienting, based on acting external forces. Such a model allows for modeling of realistic behavior including the development of shimmy effects at high speeds. Retracting and lowering the landing gear can lead to CG repositioning. When modeling landing gear operations their kinematic properties, external and hydraulic forces are all taken into account. The result is very realistic behavior in all conditions.


Damage model

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Ka-50 damages in the game
The damage model is based on aerodynamic and rigid contact forces where applicable. Damages to airframe components, landing gear, wheels, sensors and devices are all taken into account. Any damage will affect the helicopter’s physical and functional properties and reposition the CG.



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