MONSTEROUS! Mi 26TR HALO RUSSIAN STORM WORLD LARGEST HELICOPTER

MONSTEROUS! Mi 26TR HALO RUSSIAN STORM WORLD LARGEST HELICOPTER  HELICOPTER - ollowing the incomplete development of the heavier Mil Mi-12 (prototypes known as Mil V-12) in the early 1970s, work began on a new heavy-lift helicopter, designated Izdeliye 90 ("Project 90")[1] and later allocated designation Mi-26. The new design was required to have an empty weight less than half its maximum takeoff weight.[2] The helicopter was designed by Marat Tishchenko, protégé of Mikhail Mil, founder of the OKB-329 design bureau.[3]



The Mi-26 was designed as a heavy-lift helicopter for military and civil use, and was to replace earlier Mi-6 and Mi-12 heavy lift helicopters, with twice the cabin space and payload of the Mi-6, then the world's largest and fastest production helicopter. The primary purpose was to move military equipment like 13 metric ton (29,000 lb) amphibious armored personnel carriers, and mobile ballistic missiles, to remote locations after delivery by military transport planes such as the Antonov An-22 or Ilyushin Il-76.



The first Mi-26 flew on 14 December 1977[4] and the first production aircraft was rolled out on 4 October 1980.[1] Development was completed in 1983, and the Mi-26 was in Soviet military and commercial service by 1985

The Mi-26 was the first factory-equipped helicopter with a single, eight-blade main lift rotor. It is capable of flight in the event of power loss by one engine (depending on aircraft mission weight) thanks to an engine load sharing system. While it is only slightly heavier than the Mi-6, the Mi-26 can lift up to 20 metric tons (44,000 lb). It is the second largest and heaviest helicopter ever constructed, after the experimental V-12. The tail rotor has about the same rotor diameter and thrust of the four-bladed MD 500 main rotor.[5]



The Mi-26's unique main gearbox is relatively light but can absorb 19,725 shp, which was accomplished using a non-planetary, split-torque design. Because Mil's normal gearbox supplier said that such a gearbox could not be designed, the Mil Design Bureau designed the VR-26 transmission itself.[6]



As of 2013, the Mi-26 still holds the FAI record of greatest mass lifted to 2,000 metres - it lifted 56,768.8 kg in 1982.[7]



In July 2010 a proposed Russian-Chinese development of a 33-ton heavy-lift helicopter was announced.[8]



The Russian helicopter manufacturer, Rostvertol, is in the process of refurbishing and upgrading the entire fleet of Mi-26s serving in the Russian Air Force. The fleet is estimated to total around 20 helicopters. The upgraded aircraft will be comparable to a new variant, the Mi-26T. Contract completion is planned for 2015. The contract also covers the production of 22 new Mi-26T helicopters. Eight new-built helicopters were delivered to operational units by January 2012.[9] Under the 2010 contract, 17 new-production helicopters have been delivered through 2014.

Performance

Max. speed

295 km/h

Cruise speed

255 km/h

Max. flight range with main fuel tanks

800 km

Operational ceiling

4,600 m

Hover ceiling (OGE)

1,520 m

Weight Parameters

Max. take-off weight

56,000 kg

With underslung load

56,000 kg

Max. Payload, kg

in transport cabin

20,000 kg

on external sling

20,000 kg

Engine 2 х D-136 (2 х 11 400 h. p.)

Take-off power

h. p.

Contingency power

h. p.

Cabin Dimensions

Length

12.1 m

Width

3.29 m

Height

3.17 m

Volume

m3

Capacity:

Aircrew

5–6

Passengers

82



This video was made in colaboration with my best greek friend from youtube channel CCCP CΛΑΒΑ 1945

Greetings to all Slavic people around, God bless you and God protect you, Greetings from France and I wish you

peace and health for many many years !

Greetings , George



Visit my friends channel cccpslava1 http://www.youtube.com/user/cccpslava1

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FAST OLD PZL-Mielec M-18 DROMADER - nine cylinder air-cooled radial airc...

FAST OLD PZL-Mielec M-18 DROMADER - The PZL-Mielec M-18 Dromader (Polish: "Dromedary") is a single engine agricultural aircraft that is manufactured by PZL-Mielec in Poland. The aircraft is used mainly as a cropduster or firefighting machine.PZL-Mielec, then known as WSK-Mielec, began to design the Dromader in the mid 1970s, with help of United States aircraft manufacturer Rockwell International. PZL-Mielec asked for Rockwell's help because of the political situation at the time: operating in an Eastern Bloc country, PZL wanted the aircraft to sell well worldwide, and the company realized that FAA certification would be important in reaching that goal. Rockwell on the other hand wanted to fit Polish high-power radial engines into its agricultural planes. As a result of this cooperation the Rockwell Thrush Commander aircraft was fitted with the PZL-3 engine, and the Polish designers created the higher payload M-18 Dromader by introducing the more powerful ASz-62 engine, making structural changes to the airframe, and increasing dimensions. This co-operation meant that the Dromader shares outer wing panels and part of a fuselage with the Thrush Commander.



The first prototype of the aircraft flew on August 27, 1976. In September 1978, the aircraft was given certification to fly in Poland. Certifications from many countries around the world followed soon.



Many aircraft of the M-18 type and its variations can still be seen around the world. They were sold to 24 countries, over 200 are used in the USA.[1]



Most Dromaders are easy to distinguish because of their yellow color. Some 759 had been built.[1] Currently (2012) models M-18B and M-18BS are offered by PZL-Mielec

General characteristics



Crew: one, pilot

Capacity: one passenger, and up to 2,500 L (660 US gallons) or 2,200 kg (4,850 lb) of chemicals

Length: 9.47 m (31 ft 1 in)

Wingspan: 17.70 m (58 ft 0¾ in)

Height: 3.70 m (12 ft 1¾ in)

Wing area: 40.00 m² (430.5 ft²)

Airfoil: NACA 4416 at root, 4412 on outer wings

Empty weight: 2,710 kg[3] (5,975 lb)

Max. takeoff weight: 5,300 kg (11,700 lb)

Powerplant: 1 × WSK "PZL-Kalisz" ASz-62IR piston radial, 731 kW (980 hp)

Performance



Never exceed speed: 280 km/h (151 knots, 174 mph)

Maximum speed: 230 km/h (124 knots, 143 mph)

Stall speed: 108 km/h (59 knots, 68mph) (flaps down)

Range: 970 km (523 nmi, 602 miles)

Service ceiling: 6,500 m (21,320 ft)

Rate of climb: 6.5 m/s (1,280 ft/min)

- nine cylinder air-cooled radial aircraft engine

The Shvetsov ASh-62 (designated M-62 before 1941) is a nine-cylinder, air-cooled, radial aircraft engine produced in the Soviet Union. A version of this engine is produced in the People's Republic of China as the HS-5.

The ASh-62 was a development of the Wright R-1820 Cyclone that had been built in Russia under licence as the Shvetsov M-25, the main improvements including a two-speed supercharger and a more efficient induction system. Power was increased from the Cyclone's 775 hp to 1,000 hp. First run in 1937, licenced versions are still in production by WSK "PZL-Kalisz" in Poland as the ASz-62 (as of 2007). The Ash-62 was also produced in China. It is estimated that 40,361 were produced in the USSR.



Polish-built ASz-62IR engines are compatible with FAR-33 requirements. Further developments in Poland are the K9-AA, K9-BA and K9-BB engines, with take-off power of 1178 hp (860 kW), indicated power 698 kW.



The M-63 was an improved version of the M-62 with power output increased to 821 kW (1,100 hp) at 2,300 rpm for takeoff and 671 kW (900 hp) at 2,200 rpm at 4,500 m (14,764 ft) due to a greater compression ratio of 7.2:1 and a higher redline.



This video was made in colaboration with my best greek friend from youtube channel CCCP CΛΑΒΑ 1945

Greetings to all Slavic people around, God bless you and God protect you, Greetings from France and I wish you

peace and health for many many years !

Greetings , George



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