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Sikorsky Helicopters - Part V
Back to Part IV
1981 : EH-60 QuickFix
ECM version, designed to detect, locate, and jam enemy radio transmissions.
Sep 1, 1983 : S-80 Sea Dragon (MH-53E)
Feb 4, 1984 : NightHawk (HH-60)
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Jun 22, 1984 : S-76B Spirit
Powered with P&W Canada PT-6.
Because its religous connotations overseas, the Spirit name was dropped.
Jul 12, 1984 : S-75 ACAP
The ACAP (Advanced Composite Airframe Program) was an experimental helo
to evaluate an airframe that achieved a 22 percent weight savings and a 17 percent cost
savings over conventional metal airframes.
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Shadow
Also called ARTI ( Advanced Rotorcraft Technology Integration )
was funded by the US Army and calls for a cockpit design and technology to
permit a single pilot to fly at very low altitudes in all weather conditions,
day or night. A S-76 was modified to accept a single-pilot cockpit forward
of the conventional cockpit, plus a flight engineer's station in the cabin.
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1985 :
Began LHX collaboration between Sikorsky and Boeing Helicopters
Sept, 1997 : Cypher
The vertical takeoff or landing (VTOL) air vehicle is 6.5 feet in
diameter. It carries a payload of about 50 lbs for several hours, has an
engine in the 50 hp class and cruises at 80 knots with an endurance of
three hours and a ceiling of 8,000 feet. Takeoff weight is 250 lbs.
Control and sensor information can be transmitted via datalink to
control stations aboard ship, on land or in the air.
The Cypher air vehicle combines the efficiency of a ducted airstream
with the attributes of a coaxial advancing blade concept (ABC) rotor
system. The rotors and the circular shroud that surrounds them share in
providing lift.
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