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The UH-60 Black Hawk by Low Jeremy

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 m (2,260 ft)
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/m (7.19 lb/ft)
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

This content is provided by Low Jeremy. It may be used only in its entirety with all links included. For more information on RC Helicopter & other useful information, please visit http://rc-helicopter.articlekeep.com

Article Source: http://www.earticlesonline.com/Article/The-UH-60-Black-Hawk/69392