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Lockheed C-5 Galaxy
Lockheed C-5 Galaxy

Lockheed C-5 Galaxy


On-5 Galaxy - military transport aircraftaircraft equipped with four engines TF39-GE turbofan engines with high bypass ratio. It was built in March 1968 years. 30 first flew in June of the same year. At the time, Lockheed had no idea that the high rate of creation of the LA lead to significant limitations of its transport capacity and maloresursnye engines exclude the possibility of using airlines.

Overflying Europe in the year 1965-22 Ahn made a big splash on which the US Air Force decided to give an answer. In the US, since 1964 years, actively conducted the development of military transport aircraft with payload of over 100 tonnes - the project Lockheed Model 500.

Serial instance Galaxy («Galaxy") designated C-5A. Given that started to be built in the year 1969, preparation of serial construction began long before Lee. Takeoff thrust turbofan series TF-39 - 18,754 kgs. Loading can be performed through the nose of the hinged top made of safety glass and, if necessary, you can reduce the height of the chassis spring strut trucks by shortening during their stay on the runway.

Lockheed C-5 Galaxy

By the summer of 73, the US Air Force received 81 unit of a new military transport. The Ministry of Defense decided to equip them with an 4 squadron. S-5A at ​​the time was the main flying device for the rapid transfer of manpower and heavy equipment from one point to another. Although according to the aircraft could carry more than 100 t, due to insufficient strength of the wing, the possible load was reduced to 79 t. The cargo carried by weight of 77 tons was transported to a distance of 8700 km. Lowered the flight mass of the aircraft from 349 t to 323 t. Also reduced the glider resource from 30 000 estimated hours to 8750 flight. But still it was the C-5A that was the world's largest aircraft, as the An-22 had a real load of 60 tons with take-off weight of 250 tons.

Known history of transportation of the Soviet MiG-25P using C-5A airbase Hyakari (Japan) in the United States.

There were also the tragic events surrounding operation of the aircraft. Before 83 years 4 USAF aircraft lost car due to design and production defects. 4 May 1970 years burned C-5A at ​​the air base in Palmdale. Six months later, in mid-October, a second car crashed (Dobbins AFB). Similarly, under the same circumstances, I burned a third C-5A Clinton at the airport (27 September 1974 years). 4 April 1975 years in Vietnam suffered a crash 4-th C-5A with children on board. Because people were killed 328 172. 29 1990 August, in Germany fell another Galaxy. On board were present 17 people survived four.

Lockheed C-5 Galaxy chassis

Because of the weak structure of the wing C-5A by Lockheed start designing a new bearing surface. To this end, the US Congress approved a year 1974 relevant bills. Full completion freighter was only 1980 year. In 1983, the aircraft began to transmit in units of the Air Force. Operation of the aircraft increased.

During the modernization of the old engines were replaced by new TF39-GE-1C with traction 19,500 kgs. Upgraded avionics. Install new meteorological radar with multi-colored display, inertial navigation system and Delco system recorded flight parameters MADARII.

The results of the work of designers managed to increase the weight carried on 9 tons of fuel stocks in the 6 tons. For 5 years 82 years since, the company has managed to modernize 77 operated aircraft. For budget 1,4 event at a cost of a billion dollars.

Modified C-5A set several records. Directly to the height m 2000 aircraft could lift a weight 110 tonnes with a maximum take-off weight - 417 tons and landing - 397 t. But this result was able to kill the Soviet-Ukrainian An-124 «Ruslan». In 1985, he was able to lift a weight tons to a height of 171 11 000 m.

Lockheed C-5 Galaxy

In 1982 the command of the US Air Force has decided to increase the number of military transport strategic aircraft. A contract was signed for the construction of additional units 50. They are designated as C-5V. At that time, one such aircraft worth 98 million, and the entire program has cost the United States billions of 10,8. The first C-5V took to the skies in September 1985 years. A year later, he identified the airbase Altus. Last representative of a C-built spring 5V 1989 years.

The first time the world showed the aircraft in Canada in Vancouver in 1986 year. But by the time the aircraft is not the largest in the world. This place has deservedly received "Ruslan". 7 1989 June, the aircraft set a record for dropping 4 19 on Sheridan tanks tons each 73 and parachutists.

On January 1990 years in the ranks of the air-US military units were 137 5A C and C-5V. But 8 August there was another incident. Take off from the US air base in Ramstein, crashed sixth Galaxy.

NASA's 80-2 s reequipped C 5A under C-5S for placement into artificial satellites. Also, it placed the individual elements of the space station. To do this, engineers at the tail of the upper deck was dismantled, thus increasing the volume of the cargo compartment. Further developed in the rear cargo door.

Lockheed C-5 Galaxy cabin

At present the company Lockheed Martin provides the Air Force leadership on aircraft to replace obsolete updated digital avionics. In early August, 2000, the designers decided to update the Galaxy power plant by replacing old engines with new GECF6-80C2L1F. With this aircraft became a rate of climb, and almost one-third increased cruising speed. Takeoff, respectively, decreased.

When the Air Force received a C-5A, they were used in almost all military operations. In 1990, the aircraft involved in an armed conflict under the title "Desert Shield". He created the most extensive in the history of the "air bridge", transported troops and 482 000 513 000 tons of payload.

Lockheed C-5 Galaxy

On-5 participated in the peaceful protest. In December 88 years 4 «Galaxy" brought to Armenia (affected by the earthquake) over 398,25 tons of humanitarian cargo. Galaxy also became the basic model for passenger transport aircraft L-500. In addition, the plane had planned to modify for airborne command post, aircraft carrier ballistic intercontinental missiles, transport nuclear-bomber for the conduct of local wars, the aircraft-refueling tankers.

In April, the shattered 2006 7-I model in Delaware near Dover.

The design of the airplane Lockheed C-5 Galaxy

The C-5 vysokoplanom is a classic scheme. Plumage T-shaped, cantilever wing caisson type. The thickness profile at the root - 12%, on consoles - 11%. Mechanization of the wing slats provided, flaps and spoilers. In the wing fuel tanks is 12 193,625 liters total volume.

Lockheed C-5 Galaxy

The fuselage is made in the form of semi-monocoque. The crew cabin is located above the cargo bay. Resting place change is there. At the rear of the upper compartment can fit 75 seats. Cargo part is equipped with two hatches. The front is a climb up the bow, while the rear is represented by two side flaps. On the left side are the front doors for passengers and crew and a rear - of passengers for service.

The power plant is represented by four turbofan TF-GE-C. The take-off thrust of each of 19,500 kgs.

Chassis tricycle. 4 the main six-wheeled carts are hidden inside the fuselage using hydraulic actuators, turning on 90°. Four-wheel nose strut through screw lifts and hydraulic drives, hiding in the fuselage niche ago.

Lockheed C-5 Galaxy

The horizontal tail presents adjustable stabilizer and Four-wheel height.

Lockheed C-5 Galaxy Features:

Modification C-5B
Wingspan, m 67.88
Aircraft Length m 75.54
Height, m 19.85
Wing area, m2 575.98
Weight, kg  
empty aircraft 169643
maximum take-off 379657
Internal fuel, kg 150815
engine's type 4 turbofan General Electric TF39-GE-1C
Thrust, kN X 4 191.27
Maximum speed km / h 919
Cruising speed, km / h 888
Practical range, km 10411
Range, km 5526
Practical ceiling, m 10895
Crew 5
Payload: 270 75 soldiers or passengers and staff person or 15 118387 kg of cargo




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