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Boeing737-ext

Tricycle landing gear is the most common landing gear scheme in the current days, it consists in two sets of big wheels under the wings and a small wheel in the nose, unlike conventional landing gear, the small wheel in tricycle can retract.

AdvantagesEdit

  • The straight angle allows a complete visibility of the ground.

DisadvantagesEdit

  • The tail is unprotected from land-scratching, so any over-inclination during take off or landing can cause a tailstrike which could end in serious structural damage.
  • If the front wheel hits theground first, it could end in a wheel-barrowing that could push all the aircraft weight over the front wheels to damage.

VariantsEdit

  • In some modern commercial aircraft there's a fourth set of wheels in the center between the wing ones.
  • Some other aircraft like Tupolev TU-154 don't retract the rear gear under the fuselage, but in special compartiments in the middle of the wings.
  • Another light aircraft like Cessna or De Havilland Canada don't retract their landing gear.

AircraftEdit

Commercial AirplanesEdit

  • Airbus A300
  • Airbus A310
  • Airbus A318
  • Airbus A319
  • Airbus A320
  • Airbus A321
  • Airbus A330
  • Airbus A340
  • Airbus A350
  • Airbus A380
  • Boeing 707
  • Boeing 717
  • Boeing 727
  • Boeing 737
  • Boeing 747
  • Boeing 757
  • Boeing 767
  • Boeing 777
  • Boeing 787

Military aircraftEdit

  • Grumman F-14 Tomcat
  • McDonnell Douglas F-15 Eagle
  • McDonnell Douglas F-18 Hornet

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