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Topic: Landing gear

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	Hawker :: Landing Gear Overhaul Provider
		During flight the landing gears are retracted into the body of the aircraft to reduce drag and improve fuel efficiency.
		Aircraft extend their landing gear as they approach a landing strip.
		Because of the enormous strain landing gears have to absorb, it is necessary for the landing gear to be overhauled after a specified amount of landings.
	www.hawker.com (344 words)

	Landing Gear
		The main gear is also longer to cater for the increased fuselage lengths of the -8/900 series and is constructed from a one piece titanium gear beam based on 757/767 designs.
		The landing gear panel had a NOT SEALED caption which would illuminate during transit (normal), if it illuminated at any other time you could have a puncture and the seal could be depressurised with the GEAR SEAL SHUTOFF switch to save bleed requirements.
		The main gear viewer is in the cabin and the nose gear viewer is on the flight deck.
	www.b737.org.uk /landinggear.htm (1561 words)

	Retractable Landing Gear
		Landing gear that collapsed when a plane landed could cause the plane to tumble out of control and kill the pilot, or at least seriously damage the airplane.
		For early retractable landing gear not even the performance improvements were clearly achievable, since a retractable landing gear with its motors and associated machinery weighed more than a fixed gear, thereby requiring greater lift from the aircraft and negating some of the benefits of the reduced drag of the retracted gear.
		Their fuselages are so small that fitting the landing gear inside the primary fuselage would result in a large bump inside the cabin that passengers would have to walk over.
	www.centennialofflight.gov /essay/Evolution_of_Technology/landing_gear/Tech16.htm (1332 words)

	LANDING GEAR SYSTEM
		All three landing gear doors have high-temperature reusable surface insulation thermal protection system tiles bonded to their outer surface with thermal barriers to protect and prevent the landing gear and wheel well from the high-temperature thermal loads encountered during the shuttle's entry into the atmosphere.
		Landing gear isolation valve 2 is automatically opened six minutes and 37 seconds later, and this is followed by the automatic opening of landing gear isolation valve 1 when orbiter velocity is at 800 feet per second or less.
		Landing gear deployment is initiated when the commander or pilot depresses the guarded arm push button switch/light indicator and then the guarded dn push button switch/light indicator at least 15 seconds before predicted touchdown and at a speed no greater than 300 knots (345 mph).
	science.ksc.nasa.gov /shuttle/technology/sts-newsref/sts-gear.html (5560 words)

	Multi-Configuration Landing Gear
		The main landing gear is a dual wheel assembly under the center rear of the fuselage.
		Most of the weight of the aircraft is supported by the main center landing gear, which is a single assembly, (dual wheels and brakes), positioned on the centerline of the aft fuselage.
		A single center main gear structure allows the landing gear to be "trim steered" (not freely castoring) to match the crab angle before landing, thereby eliminating the need for a cross-controlled crosswind landing.
	www.geversaircraft.com /ac/landinggear.htm (1035 words)

	Splits Aircraft - Landing Gear (Site not responding. Last check: )
		The earliest airplane of all--the Wright Flyer--used skids as its landing gear.
		Conventional landing gear consists of two wheels forward of the aircraft's center of gravity and a third small wheel at the tail.
		The tandem landing gear allows the use of a highly flexible wing, but it may also require the use of small wheels on the tips of the wings to keep the wings from scraping the ground.
	www.splitsaircraft.net /landing-gear.html (275 words)

	Barracuda Landing Gear
		When I modified the 'Cuda to use a 700C rear wheel, I rethought the landing gear, and decided to use a telescoping design instead of the folding design I had used previously.
		The Landing gear is raised and lowered with a friction shifter.
		I spent a lot of time figuring out how to make the landing gear removable, as the bike is only in the streamliner body for a small percentage of the time I use it, and I don't want to haul around the extra weight.
	www.wisil.recumbents.com /wisil/barracuda/landinggear.htm (1063 words)

	F-111 Landing Gear
		The nose gear doors are fine, but my gut feeling is that the speed brake is too thick and that the indents for the wheels are too pronounced.
		The original aft main landing gear door installation (at left, during an FB-111A test flight) and the one used for most of the aircraft’s service (at right on an F-111F) showing how the aft part of the door was cut off.
		The aft main landing gear door originally extended to be parallel to the bottom of the fuselage.
	www.f-111.net /models/landing-gear (883 words)

	Artemis Project: Horizontal Takeoff Landing Gear
		So designing "take-off gear" and a runway to support a horizontal take-off is a considerably greater challenge than designing for vertical take-off and horizontal landing.
		Consider the landing gear required for a 747-400, which has a maximum takeoff gross weight of 875,000 pounds.
		That landing gear and the mechanisms to operate it add a tremendous amount of weight to the aircraft.
	www.asi.org /adb/06/08/07/hthl-landing-gear.html (423 words)

	Boeing CH-47D Chinook - the Landing Gear.
		The aft landing gears are of the single wheel, full swivel (360 degree) type, and can be power centered and locked in the trailed position.
		There were two wheels installed on the front landing gear because of the need to spread the heavy weight of the aircraft over a wider area.
		In a Chinook, due to the design and placement of the landing gear, more weight was placed on the forward gear once it was on the ground than upon the aft gear.
	www.chinook-helicopter.com /standards/areas/gear.html (1944 words)

	Undercarriage - Wikipedia, the free encyclopedia
		The undercarriage or landing gear is the structure (usually wheels) that supports an aircraft when it is taxiing or stationary.
		Aircraft with at least partially retractable landing gear did not appear until 1917, and it was not until the late 1920s and early 1930s when such aircraft became common.
		For light airplanes, a landing gear which is economical to produce is a simple wooden arch laminated from ash, as used on some homebuilt aircraft.
	en.wikipedia.org /wiki/Landing_gear (740 words)

	Carbon Fiber Landing Gear
		Dimension from the front of the landing gear to the aft on the flat mounting pad is 1 1/4 inches.
		Gear height is 3 7/8 inches with a span of 12 1/2 inches.
		The gear pictured is going to be used as a plug to make the carbon fiber landing gear mold.
	winshipmodels.tripod.com /carbon_fiber_landing_gear.htm (629 words)

	Focke-Wulf Fw 190 Main Landing Gear by Robert Stephenson and E. Brown Ryle III
		The Fw190 gear was: operated by pushbutton control of electric motors in the wings, possessed electric up- and down-locks, and had a control wire running from the starboard strut that retracted the spring-loaded tail wheel.
		Downlock is provided by electric motor gearing (1 to 15,000) and a small pressure spring (Photo 5) that attaches on one end to the rotating face of the electric motor on the outboard side of the drag link and on the other end to the main wing spar.
		The reason the gear is located so close the wing leading edge is that it is in front of the main wing spar, which is the attachment point of the main landing gear.
	www.clubhyper.com /reference/fw190landinggear_1.htm (1446 words)

	Landing Gear
		The main gear is retracted mechanically through cables, which run to suitable chain sprockets, which rotate the main gear outward and up into wheel wells on the bottom of the wing outboard of the fuel tank.
		With the fully manual (unpowered) gear retract system, a portion of the main wheel backing covers is hinged and actuated by the gear retract grip so that the pilot can deflect the hinged portion of the backing plates to obtain a “flap-air-servo” effect to assist in retracting the landing gear.
		The special geometry of the Mini-IMP landing gear is such that, despite the use of rather small wheels and tires, the gear moves slightly AFT under loading.
	www.mini-imp.com /landing_gear.htm (869 words)

	LANDING GEAR
		We are working on new songs with the hopes of heading to the cabin again in late January to begin tracking the second half of the album.
		Minneapolis' Landing Gear's debut long-player is a stunning mixture of moody guitar textures, rock-n-roll exuberance, and acoustic nuance.
		The recordings didn't completely gel until Landing Gear enlisted the talents of Bryan Hanna (Faux Jean, Papas Fritas) to put on final production touches and to mix at the Terrarium studio.
	www.landinggearmusic.com (354 words)

	Semitrailer landing gear (US6231081)
		In a first aspect of the invention, the average stress of a landing gear on a pavement is reduced by attaching enlarged plates to existing landing gear shoe with pairs of brackets and pairs of threaded fasteners.
		In a second aspect of the invention, average and concentrated stresses are reduced by replacing an existing landing gear shoe with a shoe having an enlarged lower portion and a compressible pad bonded or otherwise attached to the lower portion.
		Alternate constructions for the improved landing gear shoe and the compressible pad are disclosed.
	www.delphion.com /details?&pn=US06231081__ (179 words)

	Aerospaceweb.org \| Ask Us - Aircraft Landing Gear Layouts
		Landing a taildragger can be difficult since the pilot must line up his approach very carefully while making constant rudder adjustments to keep the plane on a straight path until it comes to a stop.
		Landing gear serves three primary purposes--to provide a support for the plane when at rest on the ground, to provide a stable chassis for taxiing or rolling during takeoff and landing, and to provide a shock absorbing system during landing.
		To aircraft designers, landing gear are nothing more than a necessary evil since planes are designed primarily for their performance in flight rather than on the ground.
	www.aerospaceweb.org /question/design/q0200.shtml (2049 words)

	LM Landing Gear
		Evaluations of the three-foot probes on the LEM landing gear showed that the task of shutting off the engine prior to actual touchdown was even more difficult than controlling the vehicle's rate of descent.
		During simulated landings, about 70 percent of the time the spacecraft was less than 0.3 m (1 ft) high when shutdown came; on 20 percent of the runs, the engine was still burning at touchdown.
		In another study, a one-sixth scale model of the LEM landing gear was dropped from several feet to a platform which could be adjusted to different slopes.
	www.astronautix.com /craft/lmlggear.htm (4955 words)

	Landing Gear Technology on CarterAviationTechnologies.com
		The landing gear has another noteworthy feature in that should the impact velocity in a crash be much higher than the design limit, then the max pressure is kept below that which would cause yield until the gear bottoms out, which keeps the gear from failing until the max energy possible has been absorbed.
		The landing gear did not exceed the design limits, which were themselves only 2/3 of the load applied during the static proof test.
		Depending on the weight being supported by the gear, the impact velocity could be varied accordingly, as long as the total energy being absorbed by the gear remains the same.
	www.cartercopters.com /landing_gear.html (549 words)

	Conventional landing gear - Wikipedia, the free encyclopedia
		Conventional landing gear describes an aircraft landing gear configuration with an undercarriage arrangement consisting of two main wheels and a tail wheel.
		The tailwheel landing gear configuration has benefits when landing in high winds and rough, unimproved runways in that in such applications the sometimes fragile front landing gear could be easily damaged as it is often relied upon to counter any transverse loading, or side loads.
		It should be noted that skilled pilots of tricycle landing gear use techniques very similar to tailwheel pilots in order to avoid damaging the front landing gear in challenging situations.
	en.wikipedia.org /wiki/Conventional_landing_gear (771 words)

	Pilots, Not Landing Gear, Faulted in Crash Air Safety Week - Find Articles
		The landing gear on a Federal Express MD-10 that crashed in Memphis in 2003 did not break because it was weak, but because it was overstressed, according to the National Transportation Safety Board (NTSB).
		Investigators concluded that a hard landing by the first officer, the pilot flying, in the Dec. 18, 2003, crash stressed the right main landing gear beyond its design, which resulted in its collapse and the airplane veering off the runway.
		The gear collapsed during the landing rollout, and the plane fell into its right wing, where friction with the ground pulled it to the right and off the runway.
	www.findarticles.com /p/articles/mi_m0UBT/is_2005_May_30/ai_n13830929 (892 words)

	Swift Landing Gear Page Four
		Of course the gear retracted a little faster with it connected due to the lack of voltage drop at the relay.
		If the gear goes up and then falls out in flight it may not be rigged right and the emergency crankdown cable may be too tight.
		Once the left gear has fully retracted and closed the left "up" limit switch, the right "up" limit switch is telling the retract system, the right gear is also retracted (which you know it hasn't).
	www.napanet.net /~arbeau/swift/ldgear5.htm (3704 words)

	Aeronautics - Parts of an Airplane (LANDING GEAR) - Level 2
		Conventional landing gear consists of two wheels forward of the aircraft's center of gravity and a third small wheel at the tail.
		The main landing gear is in two sets that are located one behind the other on the fuselage.
		The tandem landing gear allows the use of a highly flexible wing, but it may also require the use of small wheels on the tips of the wings to keep the wings from scraping the ground.
	www.allstar.fiu.edu /aero/flight14.htm (377 words)

	BF Goodrich, Landing Gear Divison Tour
		The gear assembly would then be dropped onto a static platform that is typically placed at an incline to simulate descent approach geometry.
		Although BFG possesses the largest drop tower, there are several different rigs accommodated the various sizes of the landing gear structures ranging from general aviation to the C-17 military transport.
		The landing gear, which was being prepared for tests during the tour, was a proprietary general aviation design.
	www.aiaa.org /sections/cl/what/bfgtourpost.htm (911 words)

	LM Landing Gear (Site not responding. Last check: )
		Stroking gear pad recommended for the Apollo LEM Grumman recommended to MSC that the stroking gear pad be used on the LEM and that design effort to refine crushing performance should continue.
		Design parameters for the Apollo LEM landing gear Grumman established the final design parameters for the landing gear of the LEM (both primary and secondary struts).
		MSC felt that sufficient demonstration of the mechanism capabilities of the landing gear would be provided by the planned dynamic tower tests and the Langley tests.
	www.friends-partners.org /oldfriends/mwade/craft/lmlggear.htm (4898 words)

	Carbon Fiber Landing Gear
		You can do what you want, but I would forget the TNT "type" CF landing gear, I have had two delaminate in the past year and don't believe anything the company says about their 2%.
		The stock Wild Hare gear for the Edge and extra is 2" wide at the base where it mounts on the fuselage.
		In the past sometimes the landing gear holes were predrilled in the bottom of the fuse, but sometimes not.
	www.rcuniverse.com /forum/m_2521423/tm.htm (1430 words)

	Goodrich Landing Gear Division
		with each takeoff and landing made with our equipment.
		We work closely with our customers to ensure that their requirements are met throughout the design and production process.
		We work together to satisfy the requirements of our customers.
	www.lgd.goodrich.com (88 words)

	Landing Gear Repair
		Operators and repair stations that fix landing gear on Douglas-designed commercial airplanes often propose a repair procedure and request the manufacturer's approval.
		As a result, landing gear components with the same part number can have different allowable repair dimensions and safe-life limits, depending on the airplane series on which it is used.
		For example, a repair request for the nose landing gear cylinder assembly described in Table 1 should include both the inside and outside diameters, even if only one diameter is reworked.
	www.boeing.com /commercial/aeromagazine/aero_01/textonly/m02txt.html (934 words)

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