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Author Topic: Ka-50 Black Shark Attack Helicopter, Russia  (Read 10367 times)
Koen
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« on: 23 May 2009, 23:49:29 »
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Ka-50 Black Shark Attack Helicopter

The Ka-50 Black Shark helicopter, developed by Kamov Helicopters JSC, carries the NATO codename Hokum A, Hokum B being the two-seat version, Ka-52. Ka-50 is also known as Werewolf. It entered service in the Russian Army during 1995 and is in full production at the Sazykin Aviation Company Progress based in Arseniev maritime Territory, Russia. It is a high performance combat helicopter with day and night capability, high survivability and fire power to defeat air targets and heavily armoured tanks armed with air defence weapons.

WEAPON SYSTEMS

The Ka-50 helicopter is fitted with observation and sighting systems together with navigation, communication and other systems to enable one crew-member to pilot and engage hostile forces in combat. A combination of various armaments to a maximum weapon load of 2 tons are selected according to the mission, including anti-tank missiles, unguided aerial rockets of different calibres, air-to-air missiles, guns, bombs and other weapons.

The helicopter has small mid-mounted wings fitted with four underwing suspension units and wingtip countermeasures pods. Up to 12 Vikhr supersonic antitank missiles can be mounted on the helicopter's two underwing external stores.

The missiles are automatically guided to the selected air or ground target using laser beam riding and feature a high degree of jam resistance. The Vikhr missile has a target hit probability close to one, against a tank at a range of up to 8 km. The kill probability is also rated very highly with the capability of penetrating all types of armour including active armour up to 900 mm thick.

The Ka-50 is armed with a 2A42 quick-firing 30-mm gun which has an unrestricted azimuth and elevation range mounting for use against airborne or ground targets. The gun is mounted near the centre of gravity of the helicopter for consistent accuracy. The gun is equipped with 460 rounds of ammunition, two types being carried, high-fragmentation and explosive incendiary rounds and armour-piercing rounds. The pilot selects the type of ammunition in flight. The weight of the ammunition is 0.39 kg each round, the muzzle velocity is 980 m/s and the range is up to 4 km. The gun provides an angular firing accuracy of 2 to 4 mrad.

AVIONICS

Flight systems include inertial navigation system (INS), autopilot and head-up display (HUD). Sensors include FLIR (forward-looking infrared) and terrain-following radar.

COUNTERMEASURES

Ka-50 is fitted with radar warning receiver, electronic warfare system and chaff and flare dispenser.

ENGINES

The Ka-50 is powered by two TV3-117VMA turboshafts engines each providing 2,200 horsepower. The power plant is fitted with deflectors and separators to prevent dust ingestion in the air intakes which protects the engines from wear when taking off from unprepared sites. The engines are placed on either side of the fuselage to enhance the combat survivability. The helicopter also has an auxiliary power unit (APU) for self-contained operation.

CO-AXIAL ROTORS

The coaxial rotor design provides a hovering ceiling of 4,000 metres and vertical rate of climb of 10 metres per second at an altitude of 2,500 metres. The rotor blades are made from polymer materials. The hingeless main rotor head requires no lubrication.

The coaxial-rotor configuration results in moments of inertia values relative to vertical and lateral axes being between 1.5 to 2 times less than the values found in conventionally designed combat single rotor helicopters with tailrotors. Absence of the tail rotor enables the helicopter to perform flat turns within the entire flight speed range. A maximum vertical g-load of 3.5 combined with low moments of inertia give the Ka-50 a high level of agility and manoeuverability.

SURVIVABILITY

Two separately mounted engines at a maximum distance reduce the probability of their simultaneous damage. The powerplant has an operational life 30 minutes without oil, giving the pilot the opportunity to land in a safe location in the event that the oil system is damaged in combat. The helicopter also has duplicated and stand-by hydraulic and power systems and main control circuits.

Extensive all-round armour installed in the cockpit protects the pilot against 12.7 mm armour piercing bullets and 23 mm projectile fragments. The rotor blades are rated to withstand several hits of ground-based automatic weapons providing the capability of safe flight completion after sustaining impact.

Protection of fuel tanks against explosion hazards and fuel leakage is provided by porous fuel tank fillers and fuel tank self-sealing covers, and a comprehensive fire extinguishing system is installed. Engine exhaust heat screens reduce the thermal signature of the helicopter and flare dispensers protect the helicopter against heatseeking missiles.

The Ka-50 is the world's first operational helicopter with a rescue ejection system, which allows pilot to escape at all altitudes and speeds. The K-37-800 Rocket Assisted Ejection System is manufactured by the Zvezda Research and Production Enterprise Joint Stock Company in the Moscow Region. The seat operates by pulling the pilot from the helicopter cabin using a solid-propellant rocket motor. The system comprises the seat, a control unit and a pullout rocket motor. The seat is fitted with a survival pack containing an NAZ-7M survival kit, a life raft and a PS-37A parachute system. The seat provides safe forced emergency escape from helicopters in the speed range 0 to 350 km/hour and at altitude 0 to 6,000 metres. The seat also provides safe ejection during inverted flight (at speeds 0 to 330 km/h with zero vertical velocity) at a minimum altitude of 90 metres.

MAINTENANCE


Built in test and diagnostics equipment ensures fast maintenance turnaround time. Under operational conditions the helicopter has a 12-day combat availability with minimum maintenance during off-base deployment.

Dimensions     
Main rotor diameter    14.5 metres
Length with rotating rotors    15.9 metres
Overall height    4.9 metres
Wing span    7.3 metres
Weights    
Empty weight    7,692 kg
Normal take off weight    9,800 kg
Maximum take off weight    10,800 kg
Weight of consumable combat load    610 kg
Weight of maximum combat load    1,811 kg
Engines    
Two TV3-117VMA engines    2 x 2,200 h.p
Landing gear    Retractable tricycle nosewheel type landing gear
Performance    
Maximum level flight speed    310 km/h
Diving speed    390 km/h
Cruise speed    270 km/h
Hovering ceiling    4,000 metres
Service ceiling    5,500 metres
Vertical rate of climb at 2,500 m    10 m/s;
Range of flight with normal take-off    460 km
Weight    
Ferry range    1,160 km

sources:
http://www.army-technology.com/projects/ka50/ka502.html
http://www.defencejournal.com/dec98/ka-50.htm
http://www.richard-seaman.com/Aircraft/AirShows/Maks2005/Helicopters/index.html
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Rattler
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« Reply #1 on: 24 May 2009, 01:47:34 »
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nice pix!

Here the action to them:



Enjoy,

Rattler
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the_13th_redneck
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« Reply #2 on: 20 September 2009, 16:17:34 »
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Personally skeptical about a single seat attack helicopter.
Anyone here an authority with a better idea about this?
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Tanker
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« Reply #3 on: 20 September 2009, 16:40:10 »
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I'm not an authority but the first sentence notes that there is a 2 seat version, NATO designation Hokum-B.

The Ka-50 Black Shark helicopter, developed by Kamov Helicopters JSC, carries the NATO codename Hokum A, Hokum B being the two-seat version,
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Jilly
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« Reply #4 on: 20 September 2009, 17:10:07 »
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Somehow it's hard to imagine a helicopter as an attack machine.  I associate it more with rescue missions etc.
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the_13th_redneck
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« Reply #5 on: 20 September 2009, 17:19:23 »
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Well they're pretty darn good at it but they're also pretty vulnerable to surface fire as OIF proved.
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Rattler
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« Reply #6 on: 20 September 2009, 17:56:28 »
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Personally skeptical about a single seat attack helicopter.
Anyone here an authority with a better idea about this?

Well they're pretty darn good at it but they're also pretty vulnerable to surface fire as OIF proved.

Don´t forget that the Russian Attack Helicopter Philosophy is completely different from the US one implemented in the Apache criteria:

Russian Attack Helos come from their Armed Helos (HIND, Mi-28 - which were to transport troops, do recon, but also able to bomb or engage vehicles with missiles: From High Altitude (not NOE like the US does) and in formations, imagine rather a fast moving flying tank BN.

In the case of the Ka-50 this has been refined, the role it has been designed for is still the same:

- Attack from Height (to avoid ground fire)

- Attack in formations of 3-6

- Attack types: Mainly strafing runs (this gun *is* powerful! Beats the Apache any time), attacks vs armor/vehicles only as targets of opportunity, bunker buster to take out entrenched inf resistance pockets, anti air versus enemy attack helos

- High personal security, simple design and cheapness:

Quote
Extensive all-round armour installed in the cockpit protects the pilot against 12.7 mm armour piercing bullets and 23 mm projectile fragments. The rotor blades are rated to withstand several hits of ground-based automatic weapons providing the capability of safe flight completion after sustaining impact.

Protection of fuel tanks against explosion hazards and fuel leakage is provided by porous fuel tank fillers and fuel tank self-sealing covers, and a comprehensive fire extinguishing system is installed. Engine exhaust heat screens reduce the thermal signature of the helicopter and flare dispensers protect the helicopter against heatseeking missiles.

The Ka-50 is the world's first operational helicopter with a rescue ejection system, which allows pilot to escape at all altitudes and speeds


Think of the KA-50 as a better Harrier and you are there.

In this role the one seater does not prove any problem, in an NOE role I cannot see it fighting either.

FWIW,

Rattler
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the_13th_redneck
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« Reply #7 on: 20 September 2009, 18:42:33 »
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True.
A good reason for attack helos to fly NOE would be SAM.  It's hard enough to dodge one in a fixed wing aircraft with plenty of energy but a helicopter?  How likely is that?
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« Reply #8 on: 20 September 2009, 21:03:45 »
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KA 50 is actuall one of the better SAM protected (talking Manpad here), its flares and shielded (and cooled) exhausts make for difficult targeting.

A Harrier would have it harder.

Rattler
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« Reply #9 on: 21 September 2009, 07:44:44 »
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Interesting!
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