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We value your privacy. Enable All Purposes. Necessary Cookies Necessary cookies enable core functionality. Analytical Cookies Analytical cookies help us to improve our website by collecting and reporting information on its usage. Related Products. Add to Cart. Quick View. Suppo is a leading manufacturer of professional motors, ESCs, servos, Suppo SP 9g Micro Servo. Standard, high-quality APC-style electric propeller -- 8x4E.
Manufactured by Gemfan At the risk of sounding pedantic, there is no flap retraction altitude per se, rather an acceleration altitude and flap retraction speeds Visit FliegerTiger's homepage! Find More Posts by FliegerTiger. Minimum ft aal, but normally ft aal. We use ft AGL as standard and only if required by other local procedures use other altitudes. For example in ZRH we use an acceleration height of ft with a thrust reduction at It is programmed in the takeoff page 2 and VNAV automaticly moves the speed bug up to the next relevant speed, thrust "reduction" is programmed there as well.
Find More Posts by Denti. Acc Alt. Fortunately some airlines for which I instruct have standardized the actions to cover all these cases and this makes life much simpler all round.
Find More Posts by Prober. Find More Posts by zonnair. Dangers include a lack of oxygen at high altitude, temperatures well below freezing, crush injury or death from the gear retracting into its confined space, and falling out of the compartment during takeoff or landing. Landing gear has traditionally not been used on the vast majority of launch vehicles , which take off vertically and are destroyed on falling back to earth.
With some exceptions for suborbital vertical-landing vehicles e. Advances during the s in private space transport , where new competition to governmental space initiatives has emerged , have included the explicit design of landing gear into orbital booster rockets. SpaceX has initiated and funded a multimillion-dollar reusable launch system development program to pursue this objective.
As part of this program, SpaceX built, and flew eight times in —, a first-generation test vehicle called Grasshopper with a large fixed landing gear in order to test low-altitude vehicle dynamics and control for vertical landings of a near-empty orbital first stage.
The prototype was flown four times—with all landing attempts successful—in for low-altitude tests before being self-destructed for safety reasons on a fifth test flight due to a blocked engine sensor port. The orbital-flight version of the test vehicles— Falcon 9 and Falcon Heavy —includes a lightweight, deployable landing gear for the booster stage: a nested, telescoping piston on an A-frame.
Landing legs had become an ordinary operational part of orbital spaceflight launch vehicles. The newest launch vehicle under development at SpaceX—the Starship —is expected to have landing legs on its first stage called Super Heavy  like Falcon 9 but also has three landing legs on its reusable second stage, a first for launch vehicle second stages.
The first prototype of Starship — Starhopper , built in early —had three fixed landing legs with replaceable shock absorbers. Spacecraft designed to land safely on extraterrestrial bodies such as the Moon or Mars are known as either legged landers for example the Apollo Lunar Module or pod landers for example Mars Pathfinder depending on their landing gear.
Pod landers are designed to land in any orientation after which they may bounce and roll before coming to rest at which time they have to be given the correct orientation to function. The whole vehicle is enclosed in crushable material or airbags for the impacts and may have opening petals to right it. Features for landing and movement on the surface were combined in the landing gear for the Mars Science Laboratory.
For landing on low-gravity bodies landing gear may include hold-down thrusters, harpoon anchors and foot-pad screws, all of which were incorporated in the design of comet-lander Philae for redundancy. Comet lander Philae showing anchoring harpoons 2 and foot-pad screws 3. From Wikipedia, the free encyclopedia. Aircraft component for takeoff and landing and which supports the aircraft while not in the air.
This article is about aircraft landing gear. For the Devin the Dude album, see Landing Gear. Play media. This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Methods of landing gear shock absorption. Oleo pressurized gas - oil strut with torque links. Rubber discs in compression with trailing link, used on Mooney M20 series of aircraft. Tricycle Mooney M20 J.
Tricycle nosewheel Sikorsky S Main article: Seaplane. Nakajima E8N floatplane with three floats. Dornier Do X with sponsons. Harbin SH-5 showing deep vee forebody. Beriev A showing water rudder. Main article: Ground resonance. Main article: List of wheel-well stowaway flights. The Mars Pathfinder lander during a ground test encased in its cluster of air bags.
Mars Science Laboratory showing rover's wheels which acted as landing gear for initial touchdown. Airbus-Deutschland GmbH. The Evolution of a System. Archived from the original PDF on Retrieved German Aircraft Landing Gear. A significant advantage of this [Ar ] aircraft was its rough-field landing gear. With the landing gear in the compressed position, the eleven pairs of wheels mounted on independently-sprung legs beneath the fuselage, together with the wide-track main landing gear 8.
Retrieved 22 November July 16, Retrieved 13 May Retrieved: 16 March During retraction the nosewheel had to turn through 90 degrees, which was achieved by means of a mechanism in the head of the wheel fork. On retraction, a spring-loaded level with pulley, which limited deflection to 60 degrees by means of a locking hook and stop, was folded into the fuselage and turned through ninety degrees after making contact with a guide. Pegasus: The Heart of the Harrier 2 ed. Pen and Sword.
Lookout Mountain Air Force Station. Yanks Air Museum. Archived from the original on 18 December Retrieved 23 January Europa Aircraft Ltd. Archived from the original on 5 December Retrieved 3 March The Ju 's landing gear was most innovative in its design. A Y-shaped bearer was mounted in the engine nacelle with its upper arms hinged. At the bottom end of this bearer was the shock absorber leg, which was likewise hinged.
Two double-brake wheels, with metric size x tires, were mounted on the cross-axle. During the retraction cycle a folding strut was raised by a hydraulic jack. The bottom part of the folding strut drew the Y-bearer upwards.
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Vehicle Information. Options and Standard Features. Apply Now Secure Credit Application.DC-3, transport aircraft, the world’s first successful commercial airliner, readily adapted to military use during World War II. The DC-3, first flown in , was a low-wing twin-engine monoplane that in various conformations could seat 21 or 28 passengers or carry 6, pounds (2, kg) of.