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Topic: Tricycle gear


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In the News (Tue 29 Dec 09)

  
 Tricycle gear (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-20)
A Cessna 152 with a Tricycle landing gear Tricycle gear describes a kind of aircraft undercarriage, or landing gear, arranged in a tricycle fashion.
As well, Tricycle gear planes are much easier to handle on the ground and significantly reduce the possibility of a ground loop.
Tricycle gear aircraft are easier to land because the attitude required to land on the main gear is the same as that required in the flare.
tricycle-gear.iqnaut.net.cob-web.org:8888   (293 words)

  
 Tricycle - Patent 4456277
Tricycles have enjoyed much less popularity for the principal reasons that they are heavier by the addition of a third wheel, and their width offers even greater wind resistance.
Tricycle 1 comprises a generally modified pyramidal, triangulated space frame assembly 2 which in turn is composed of two major parts, the front main frame assembly 30 and the rear swing arm assembly 50.
The main gear derailleur assembly 91 which is activated by the cable 157 is used to select the appropriate main drive gear depending on road conditions and cadence being maintained by the rider.
www.freepatentsonline.com /4456277.html   (12602 words)

  
 [trikes] Something to read...
Tricycles were used especially by those who could not ride high wheelers, such as women who were confined in the long dresses of the day, and short or unathletic men.
The tricycles produced from 1876 to 1884, of which Starley's Coventry Rotary is the most famous example, are considered first generation tricycles, and showed a wide variety of inventiveness as the best design was sought.
A tricycle in which two of the three wheels are in line with each other, and the third wheel is on the opposite side for balance.
www.ihpva.org /pipermail/trikes/2000q2/002657.html   (3192 words)

  
 Dictionary : Landing_gear
Early gear used flexible material for landing gear struts (the structure that connected the airframe and the wheels).
There are several types of landing gear: Conventional landing gear consists of two wheels forward of the aircraft's center of gravity and a third, smaller wheel at the tail.
Tricycle landing gear consists of a forward (nose) wheel and a pair of wheels located midway on the fuselage.
www.centennialofflight.gov /essay/Dictionary/Landing_Gear/DI111.htm   (368 words)

  
 Splits Aircraft - Landing Gear   (Site not responding. Last check: 2007-10-20)
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)

  
 Aerospaceweb.org | Ask Us - Aircraft Landing Gear Layouts
Furthermore, the tricycle arrangement is generally less demanding on the pilot and is easier to taxi and steer.
Some planes with tricycle gear also have difficulty rotating the nose up during takeoff because the main wheels are located so close to the elevator, and there may be insufficient control effectiveness.
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.
www.aerospaceweb.org /question/design/q0200.shtml   (2049 words)

  
 Murphy Aircraft Online - Building Your Dream
With standard spring gear and the option of floats, there is almost no surface you can't utilize to fly from.
Designed with the option of tricycle gear, the Rebel Elite accommodates those pilots who liked the Rebel but were uncomfortable with a taildragger.
The tricycle gear mounts to two 2" square tubes running across the floor, and is sandwiched between four layers of skin thickness to absorb the landing loads and hold the gear steady.
www.murphyair.com /Product_Info/Elite/Description.htm   (1139 words)

  
 The Ground Loop
An airplane with a tricycle landing gear (a gear having a nose wheel) has a far less tendency to ground loop than a tail-dragger because three landing gear wheels remain in con-tact with the ground until takeoff: speed is obtained.
Other causes associated with a tricycle gear are a nose-gear wheel that is not aligned or the failure of one wheel of the main landing gear to rotate freely.
Many R/C'ers who are accustomed to flying a plane with a tricycle landing gear, get into the habit of giving their plane's engine an instantaneous burst of full power, then steering the plane down the runway until takeoff speed is reached.
www.rmfm.org /ground_loop.htm   (508 words)

  
 Documentation
The center of gravity is forward of the main gear on the tricycle gear airplane and behind the main gear of the taildragger.
Since the tricycle gear airplanes center of gravity is forward of the main landing gear, it acts to pull the airplane behind it.
With a tricycle gear airplane, you accelerate down the runway, the airplane pretty much rolling straight on its own, until you reach a desired speed, at which time you simply pull back on the wheel and lift off.
www.taildraggers.com /Documentation.aspx   (1303 words)

  
 2-2
A steerable nose gear or tailwheel permits the airplane to be controlled by the pilot throughout all operations while on the ground.
Shock absorption is usually provided on the main landing gear by inflated tires and shock absorbers while it is provided on the tailwheel by a spring assembly to which the tailwheel is bolted.
The main landing gear is constructed similar to the main landing gear on the conventional system, but is located further rearward on the airplane.
www.faatest.com /books/AK/2-2.htm   (748 words)

  
 TAILWHEEL THOUGHTS   (Site not responding. Last check: 2007-10-20)
In flight, the large amount of drag created by the main gear, which is only partially offset by the drag of the nosegear, combines to create a “center of drag” that is aft of the CG and increases longitudinal stability.
On the Cessna 180K, the main gear are located forward of the CG, and the very small tailwheel is located far aft of the CG.
The crosswind landing is the reverse of this procedure.
www.westwingsinc.com /twt.htm   (1363 words)

  
 Landing Gear   (Site not responding. Last check: 2007-10-20)
Tricycle gear, where there are two main wheels and a nose wheel.
Tricycle gear airplanes have less of a tendency to ground loop, which is where the airplane unexpectedly swerves to one side or the other.
A tricycle gear airplane permits more vigorous use of brakes without threatening to pitch forward onto the nose or the propeller.
www.flightsimbooks.com /flightsimhandbook/CHAPTER_02_09_Landing_Gear.php   (193 words)

  
 STOL CH 701 Landing Gear Design
standard gear configuration for the STOL CH 701 to meet the needs of today’s pilots: Most pilots are not experienced ‘taildragger’; pilots, and a tricycle gear provides better stability and control on the ground.
In a tricycle gear configuration, the wing is at a neutral angle of attack while the aircraft is on the ground, as opposed to a maximum lift angle with a taildragger.
The main gear comprises of a simple single-piece aluminum spring leaf which is bolted to the bottom of the fuselage.
www.zenithair.com /stolch701/7-design-gear.html   (516 words)

  
 LANDING GEAR
A solid fiberglass main gear strut is at the rear of the aircraft and forward is a retractable nose wheel.
On the ground with no person in the front seat, the plane is tail heavy, so the nose wheel is lowered to allow the weight to move forward and allow the plane to be parked on the ground.
This is the left gear attachment The green strut is attached to the fuselage by a 3/8 inch bolt which passes throught the two aluminum attachments.
mevans28.tripod.com /id2.html   (517 words)

  
 ZODIAC XL Design & Construction - Landing Gear - Kit Plane
The heavy-duty tricycle gear system was chosen as the standard gear configuration for the ZODIAC XL to meet the needs of today’s pilots: Most pilots are not experienced ‘taildragger’; pilots, and a tricycle gear provides better stability and control on the ground.
Installation of the main gear spring is simply a matter of bolting it to the fuselage.
There is no additional charge for the tailwheel gear configuration kit option as it replaces the standard tricycle gear supplied in the kit.
www.zenithair.com /zodiac/xl/design-gear.html   (422 words)

  
 CONCORDE SST : Landing Gear
Separate from this configuration is a tail bumper gear that is fitted to prevent any damage to the fuselage and engine nacelles, should the aircraft suffer too high a rotation angle during take off or landing.
Concorde's landing gear differs from those on other aircraft for several reasons: The nose gear is situated behind the flight deck, making taxing different to a normal aircraft and it also retracts forwards.
Normal operation of Concorde's landing gear is achieved though electronic control, which is signalled to the green hydraulic system by operation of the 3 position landing gear lever.
www.concordesst.com /gear.html   (765 words)

  
 TRI GEAR VS   (Site not responding. Last check: 2007-10-20)
The CG, is forward of the main gear so when the main gear touches, the CG causes the NOSE to drop.
On a tri-gear plane, the CG is in front of the main gear.
On a tail dragger, the CG is behind the main gear.
members.cox.net /moorman1/Trigear.htm   (325 words)

  
 Glasair Aviation
The Super II RG uses an electro-hydraulic pump for retraction; a pressure porting valve is used to extend the gear in the event of electrical or pump failure.
The RG gear package is as complete as we can make it: all electrical and hydraulic componentry is included (e.g., gear switch, wiring, position lights, microswitches, PC relay board, hydraulic pump, manifolds, pressure tubing, fittings, etc.).
With standard faired gear legs and streamlined wheel pants, the performance of the Super II FT is incredible, sacrificing less than 10 knots in top speed to its retractable-geared sibling, the Super II RG.
www.glasairaviation.com /featuresglasairSII.html   (2078 words)

  
 Tricycle Landing Gear: Problems and Solutions   (Site not responding. Last check: 2007-10-20)
Tricycle Gear, without a doubt, is the safest installation for good takeoffs and landings.
There is one problem that does occur, due to improper installation or a few hard landings, and that is having the nose gear a little too long.
Shorten the nose gear or lengthen the main gear until the fuselage looks parallel to the ground or, if in doubt, a little nose down won't hurt.
www.hubhobbyshop.com /hintrc1.htm   (321 words)

  
 No more Tailwheels
The tricycle landing gear was actually used on the early Wright airplanes when the Wright Brothers switched from landing skids to wheels and placed one of the wheels up at the front of the plane.
The fact that the cg for the conventional (or tail-dragger) landing gear was aft of the main landing gear wheels tended to cause pilots to frequently ground loop the airplane when they were trying to hold it straight down a runway during a landing, especially when cross winds were present.
The cg for the tricycle landing gear was in front of the main landing gear wheels and this caused landings to have a much greater potential for helping the airplane continue down the runway as desired by the pilot.
www.eaa103.org /member_stories/No_Tailwheels.html   (2277 words)

  
 ch6-3
The landing gear on the aircraft is fixed, and although not visible in the photograph, the horizontal tall employed on the Cherokee is of the all-moving type equipped with a geared tab.
The aircraft is equipped with a fully retractable tricycle landing gear and is equipped with a four-cylinder, horizontally opposed, Lycoming engine of 200 horsepower that drives a controllable-pitch propeller.
The Cardinal is of all-metal construction and is equipped with trailing-edge flaps and an all-moving horizontal tail employing a geared trim tab.
www.hq.nasa.gov /pao/History/SP-468/ch6-3.htm   (1828 words)

  
 Gear Junkie: Take a fun spin, if you're experienced   (Site not responding. Last check: 2007-10-20)
Like a unicycle or a child's tricycle, fixed-gear bikes lack a freewheel, which is the component that allows the rear wheel to spin freely and the rider to coast.
On a fixed-gear bike, the pedals, chain, chain ring and rear-tire gear -- and thus your legs and the bike's back tire -- all are connected, moving in sync, never stopping while on the go.
The Gear Junkie: You won't have to wait until 11 for the forecast
seattlepi.nwsource.com /getaways/270396_gearjunkie18.html   (783 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   (821 words)

  
 Len Sabato's Vigor Eclipse Continued...
While at the World Championships last year, I was impressed with the retractable tricycle landing gear that the Japanese competitors had fitted to their models.
With the landing gear retracted, the Japanese models (all equipped with fuselages) had a striking appearance in the air.
The only thing that I did not like about their models was the tricycle platform (which are not as steady as skids).
www.lensabato.com /Leneclipse2.htm   (364 words)

  
 Tricycle Gear (via CobWeb/3.1 planetlab2.isi.jhu.edu)   (Site not responding. Last check: 2007-10-20)
The gear leg is drilled to the correct size.
My final decision was to place the engine mount on the plane and all the gear on and mount the motor to the mount.
You could I suppose attach the motor mount to the engine, attach the nose gear and then mount it to the firewall but that seemed much to cumbersome.
www.rv7-a.com.cob-web.org:8888 /tricycle_gear.htm   (1186 words)

  
 The Pilot Shop - Conventional Gear - Flying A Taildragger
The original configuration of an airplane's landing gear was tail wheel.
After the war, the tricycle landing gear layout became standard although the traditional arrangement has always been know as "conventional" gear.
A taildragger is more difficult to operate on the ground because the center of gravity is behind the main wheels - therefore it tends to deviate from a straight path during taxi, takeoff and landing.
www.pilotstore.com /store/item.asp?ITEM_ID=1638   (293 words)

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