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The UH-60 Black Hawk


Keywords:
rc helicopter, helicopter



Article Body:

The UH-60 Black Hawk helicopter’s first flight was in Oct 17 1974. This was, 2 years after when the US Army commissioned the Sikorsky and Boeing-Vertol to produce and initially test 3 prototypes helicopters within the specifications of a UTTAS or the Utility Tactical Transport Aircraft System.


When Sikorsky won over Boeing-Vertol to become the produced of Black Hawk helicopters for the Army, the UH-60 Black Hawk helicopter became their very first model to produce.


Here are the details about the UH-60 Black Hawk helicopter:


General characteristics


Crew: 3+11

Rotor diameter: 16.36 m (53 ft 8 in)

Length: 19.76 m (64 ft 10 in)

Height: 5.13 m (16 ft 10 in)

Disc area: 210 m² (2,260 ft²)

Maximum takeoff weight: 11,113 kg (24,500 lb)

Weight (Empty): 4,819 kg (10,624 lb)

Weight (Loaded): 7,375 kg (16,260 lb)

Engine: 2× General Electric T700-700 free-turbine

Turboshafts, 1,560 hp each


Performance


Combat radius: 420 nm, 592 km (368 mi)

Disc loading: 35.4 kg/m² (7.19 lb/ft²)

Ferry range: 1,200 nm, 2,220 km (1,380 mi)

Maximum speed: 193 knots, 357 km/h (222 mph)

Power/mass: 158 W/kg (0.959 hp/lb)

Rate of climb: 3.6 m/s (700 ft/min)

Service ceiling: 5,790 m (19,000 ft)


Armament

Guns: 2× 0.30 in (7.62 mm) M60 machine guns (M134 miniguns)


Black Hawk Helicopter Significant dates:


1972: US Army UTTAS (Utility Tactical Transport Aircraft System) program begun.


Oct 17, 1974: the Sikorsky YUH-60made its first flight


December 26, 1976: Sikorsky YUH-60 Black Hawk was declared the winner against Boeing-Vertol YUH-61. This was 7 months after the first competitive test began.


September 1977: The US Navy LAMPS III competition was won by the S-70B


October 1978: The first produced UH-60A made its first flight.


1979 The first produced UH-60A was delivered to the US Army.


December 12, 1979: The SH-60B made its first flight


September 1981: The electronic warfare variant, theYEH-60A EW Blackhawk made its maiden flight

February 4, 1984: The HH-60 Nighthawk made the first flight


September 1986: The HH-60J USCG Jayhawk also made the first flight


October 1989: The engine of the UH-60L was upgrade and became ESSS capable


May 5, 1994: The Hawk’s 2000th member took off


The following are the names of other Black Hawk helicopters that made their flights throughout the history:


·YUH-60A

·UH-60A

·GUH-60A

·JUH-60A

·EH-60A

·YEH-60A

·HH-60A

·MH-60A

·VH-60A


·UH-60B

·YEH-60B

·YSH-60B

·SH-60B

·EH-60C

·CH-60E

·HH-60D

·HH-60E

·HH-60G

·SH-60F

·MH-60G

·HH-60H

·HH-60J

·UH-60J

·MH-60K

·UH-60L

·MH-60L

·VH-60N

·UH-60P

·UH-60Q

·S-70A

·S-70B-6

·S-70C

·S-70C(M)-1

·WS-70



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