Sikorsky: YUH-60A Black Hawk

General data

Producer info

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Names and dates
Factory original model designation
S-70
Market original model designation
YUH-60A
Market model designation (english translation or spelling)
YUH-60A
Original model name
Black Hawk
Model name (english translation or spelling)
Black Hawk
First flight date and time
1974-10-17
People involved
James WrightTest pilot
John DixsonTest pilot
Config info
Rotorcraft typeHelicopter
Weights
Maximum Takeoff Weight (MTOW)
7598
kg
Manufacturers empty weight (MEW)
5072
kg
Cabin and cockpit
Maximum number of people onboard
14
External dimensions
Total length (rotors turning)
19.35
m
Overal height
5.13
m
Horizontal stabilizer span
4.57
m
Main rotor
Main rotor type
Fully articulated
Main rotor diameter
16.05
m
(...)
15.95
m
15.85
m
Main rotor direction of rotation
Counterclockwise
Main rotor angular speed
256
rpm
Number of blades
4
Main rotor blade twist
16.40
°
Main rotor blade twist type
Nonlinear
Tail rotor
Tail rotor diameter
3.35
m
Tail rotor direction of rotation
Clockwise
Tail rotor angular speed
1214
rpm
Number of blades
4
Tail rotor blade twist
18
°
Tail rotor plane inclination angle
20
°
Powerplant
Engine model
General Electric T700-GE-700
Engine model (english translation or spelling)
General Electric T700-GE-700
Engine type
Turboshaft
Engine dry weight
198.22
kg
Number of engines
2
Total maximum power
3244
HP
Angular speed at max power
20900
rpm
Transmission power limit
2828
HP
Performance
Cruise speed (Vc)
272
km/h
Best rate of climb
2.3
m/s
0.1026