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Interesting landing gear retraction system.

Turbine Traveller

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163,880 次观看 • 1 年前 •via X (Twitter)

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How the Yak-38 Main Landing Gear Retracts The Yak-38 uses a retractable tricycle landing gear. The two main landing-gear legs retract forward into the fuselage area above the engine compartment, while the nose gear retracts forward beneath the fuselage. The arrangement was designed to keep the retraction mechanism relatively simple while fitting the landing gear into the aircraft's compact structure. The Yak-38 was a carrier-based V/STOL attack aircraft, with its landing-gear arrangement integrated into a very tightly packaged airframe. Yak-38 main landing-gear retraction — 3D animation. 📷АртемБондарев-ю9р

How the Yak-38 Main Landing Gear Retracts The Yak-38 uses a retractable tricycle landing gear. The two main landing-gear legs retract forward into the fuselage area above the engine compartment, while the nose gear retracts forward beneath the fuselage. The arrangement was designed to keep the retraction mechanism relatively simple while fitting the landing gear into the aircraft's compact structure. The Yak-38 was a carrier-based V/STOL attack aircraft, with its landing-gear arrangement integrated into a very tightly packaged airframe. Yak-38 main landing-gear retraction — 3D animation. 📷АртемБондарев-ю9р

Tengiz

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Watch the world's last Super Constellation having some trouble during landing gear retraction. 📹: DrBear Aviation (YouTube)

Watch the world's last Super Constellation having some trouble during landing gear retraction. 📹: DrBear Aviation (YouTube)

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While watching a mammoth object the size of the C-5 take off is a feat in itself, that complex landing gear retraction system is also an attraction in itself.

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The Airbus A350 landing gear system is tested through repeated extension and retraction cycles before entering service. The video shows both the main landing gear and nose landing gear being operated at Airbus' Filton test facility. Engineers cycle the gear and doors to verify that the mechanisms move correctly and reliably. The A350-900 main gear uses four-wheel bogies, with high-strength titanium and corrosion-resistant steels used in the structure. The landing gear is hydraulically operated at around 350 bar (5,000 psi), with an alternate extension system for abnormal situations. These tests are not simply checking whether the wheels go up and down. They verify the extension, retraction, locking and related systems and provide evidence for certification.

The Airbus A350 landing gear system is tested through repeated extension and retraction cycles before entering service. The video shows both the main landing gear and nose landing gear being operated at Airbus' Filton test facility. Engineers cycle the gear and doors to verify that the mechanisms move correctly and reliably. The A350-900 main gear uses four-wheel bogies, with high-strength titanium and corrosion-resistant steels used in the structure. The landing gear is hydraulically operated at around 350 bar (5,000 psi), with an alternate extension system for abnormal situations. These tests are not simply checking whether the wheels go up and down. They verify the extension, retraction, locking and related systems and provide evidence for certification.

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The most beautiful gear retraction mechanism you will ever see.

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On Apr. 30, 1966, the second XB-70 prototype, Air Vehicle 2 (AV 2), suffered a short circuit in the landing gear retraction system shortly after takeoff from Edwards Air Force Base. As a result of this malfunction, the nose gear was blown back into the partially retracted gear well door, and the tires were slashed. The malfunction caused hydraulic pressure to remain on three of the four main wheel brakes which, being locked when the XB-70 landed at 173 knots hours later, led to the burn-up of the Valkyrie's main landing gear tires.

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