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F-15C: DCS Flaming Cliffs

   

F-15C: DCS Flaming Cliffs
Introduction
Specifications
Performance
Armament
General description
Aircraft systems
Powerplant
Fuel System
Air Refueling System
Control system
Hydro-mechanical control system
Advanced flight model features in the F-15C simulator
Performance Data
Screenshots

Introduction

The McDonnell Douglas / Boeing F-15C Eagle is a highly maneuverable fourth-generation twin-engine all-weather tactical fighter. It has been the air superiority fighter mainstay of U.S. and NATO forces since the 1970s and will remain as such well into the 21st century.

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Air superiority is achieved through high maneuverability at a wide range of airspeeds and altitudes, as well as advanced weapons and avionics.

The weapons and targeting system the F-15C can detect, track, and engage enemy aircraft autonomously. The F-15C can also be directed by ground and airborne controllers at beyond visual range, medium distances, and in close-quarters maneuvering dogfights, over friendly or enemy territory.

Weapons and control systems are configured in a way that enables a single pilot to effectively fight multiple enemy aircraft. The combination of the powerful radar and long range weapons often give the Eagle the first shot / first kill advantage.

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The development program for the F-15C was based on an urgent need for a maneuverable latest-generation fighter, and the design was based new technologies as well as time-honored tradition of such famous aircraft as the P-51 Mustang and the F-86 Sabre.



Specifications

Crew: 1 pilot

Length: 63 ft 9 in (19.43 m)

Wingspan: 42 ft 10 in (13.05 m)

Height: 18 ft 6 in (5.63 m)

Wing area: 608 ft2 (56.5 m2)

Leading edge sweep angle: 45°

Empty weight: 28,000 lb (12,700 kg)

Max. takeoff weight: 68,000 lb (30,845 kg)

Fuel weight in drop tanks: 5370 kg (3x1790 kg)

Fuel capacity: 13,455 lb (6,100 kg) internal

DCS: F-15C Eagle


Performance

Maximum speed:
    High altitude: Mach 2.5+ (1,650+ mph, 2,665+ km/h)
    Low altitude: Mach 1.2 (900 mph, 1,450 km/h)
    Landing speed: 330 km/h (180 knots)

Combat radius: 1,061 nm (1,967 km) for interdiction mission

Ferry range: 3,000 nm (5,550 km) with conformal fuel tanks and three external fuel tanks

Service ceiling: 65,000 ft (20,000 m)

Rate of climb: >50,000 ft/min (254 m/s)

Take-Off Distance: 274 m

Landing Distance: 1067 m

Wing loading: 73.1 lb/ft2 (358 kg/m2)

Thrust/weight: 1.14

Maximum design G-load: 9G

Lift-to-drag ratio: ~10

Max/Min G-Force: +9,0/-3,0



Armament

Guns: 1 x 20 mm (0.787 in) M61 Vulcan 6-barreled Gatling cannon, 940 rounds

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4 x AIM-7 Sparrow air-to-air missile

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4 x AIM-9 Sidewinder air-to-air missile

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8 x AIM-120 AMRAAM air-to-air missile

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General description

The F-15C is a jet fighter of conventional design featuring an all-metal semi-monocoque fuselage with a large cantilever shoulder-mounted wing, twin fins, and twin turbofan engines mounted side-by-side in the rear fuselage.

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Fuselage: metal semi-monocoque structure divided into three sections, forward, center, and aft. The fuselage is made of aluminum and titanium alloys, with titanium mostly used in the inboard sections of the wings and around the engines.

The forward fuselage section houses a pressurized cockpit, nose landing gear housing, and the majority of avionics, including the radar.

The center fuselage section houses fuel tanks, main landing gear, air ducts, and gun ammo stores.

The dorsal-mounted airbrake is located above the center section, with the maximum deviation angle of 45°.

The main load-bearing elements of the aft section are two rigid tail booms that straddle the engines and the arresting hook.

Cockpit: bulging bubble canopy made of polycarbonate with acrylic coating. The bubble canopy provides an unobstructed view outside the aircraft.

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The fighter’s pressurized cabin is equipped with air conditioning and liquid oxygen system.

The F-15C is equipped with the McDonnell Douglas ACES II ejection seat, capable of ejecting the pilot in zero-zero conditions and up to the aircraft maximum altitude and airspeeds of up to 1,100 km/h. At zero airspeed, the catapult fires within 0.3 seconds, followed by the rocket sustainer in 0.45 seconds, separation of the pilot from the seat after 1.3 seconds, and opening of the parachute pack in 2.3 seconds.

The Wings are fixed-geometry, 45 degree shoulder-mounted swept wings. The wings are optimized for dogfighting at 550 kts and provide best performance at that airspeed, with decreased performance at other speeds. The wing has a slight one-degree anhedral which reduces stability in the rolling plane. The characteristic raked wingtips are designed to reduce buffeting. The leading edges have a conical camber optimized for higher G-loads.

Structurally, the wing is a multi-celled, three spar structure with multi-stiffened skins. The fighter features conventional outboard ailerons, and conventional flaps (maximum deflection angle of 30°).

Uncharacteristically for a fourth-generation fighter, no spoilers or leading-edge extendible slats are fitted.

Leading and trailing edges are of conventional light alloy rib and skin construction, while the wingtips are of aluminum honeycomb construction.

The twin Vertical Stabilizers consists of two interchangeable fins with rudders mounted on the base, and also mount the RWR and ECM antennae. The outer sections, leading and trailing edges of the vertical stabilizers are aluminum, while the inner section and the rudder are made from boron/epoxy composite material.

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The interchangeable Horizontal Stabilators on the F-15 rotate as a whole, providing both flight stability and flight path alteration along the pitch axis. The stabilators can rotate independently from each other, or in unison.

The leading edge of the horizontal stabilator has a sawtooth shape, which eliminates harmful resonance at supersonic speeds.

Similar to the vertical stabilizers, the surfaces are made of aluminum and boron/epoxy composite.

The fighter's retractable tricycle Landing Gear retracts into the fuselage, the legs turning 90 to lie flat in under-fuselage wells.

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The undercarriage track is narrow at 2.75 m.

The F-15 is also fitted with a retractable arresting hook for emergency situations when the wheel brakes have failed.

Powerplant. The F-15C is powered by twin Pratt & Whitney F100-PW-220 afterburning turbofans with dry thrust of 14,590 lbf (64.9 kN) each, and thrust with afterburner of 23,770 lbf (105.7 kN) for each.

The F100 has a dual spool axial compressor with 3 fan and 10 compressor stages and inlet variable vanes, 2-stage low and high pressure turbines, a combustion chamber, and an afterburner spray ring.

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Engine length F100-PW-220: 5.280 m

Low pressure compressor diameter: 0.928 m

Maximum diameter: 1,181 m

Dry weight: 1,444 kg.

The engine control system (ECS) comprises a primary digital control and a secondary hydro-mechanical control mode used as a back-up.

The Auxiliary Power Unit, or Jet Fuel Starter (JFS), is housed centrally between the two engines, which allows for the twin engines to start on the ground.

Air Inlets work independently of each other and consist of three variable ramps each, a variable diffuser ramp and a variable bypass door to control the airflow. The bypass door is used to relieve excess pressure in the inlet duct. Ramps move by utilizing the F-15's hydraulic power system.

Position and air flow control is provided automatically, based on Mach number, temperature, angle of attack, and other parameters.

The first variable ramp is pivotally suspended and can pivot between 4° up and 10° down. The overall goal of the system is to provide the engines with smooth optimal airflow.




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