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As the name stands for a plane that converts, but exactly in what? First of all, the plane needs to take off vertically and landing as well, so it is VTOL (Vertical take-off and landing), specifically using a rotor, and in a normal regime fly like a fixed-wing aircraft. This is a definition from the Fédération Aéronautique Internationale (FAI).

CMV-22B tiltrotor transport, a Tilt Rotor. Source: en.topwar.ru

The most common aircraft configuration in this category is the proprotor, its rotor blades for vertical take-off become propellers for horizontal flight. There are two main types of proprotor, tilt-rotor and tilt-wing. Therefore, the difference lies in the mechanism to divert the propulsion along the wing.

Vertol VZ-2 (Model 76), a Tilt Wing. Notice the wing and propellers rotate. Source: Nasa

An example of a Tilt rotor is The Bell Boeing V-22 Osprey Military, with two engines, the rotors work as a helicopter rotor for taking off vertically and then in flight they lean forward similar to an airplane. Within this type, the AgustaWestland AW609, a civilian aircraft with outstanding flight performance.

AW609, Tilt Rotor. Source: JUSTHELICOPTERS/Youtube

On the other hand, in the Tilt wing aircraft, the system works in such a way that the whole system rotates (the engine and the wing) simultaneously. An example of this aircraft, the Vertol VZ-2 or Hiller X-18.

Hiller X-18. Source: commons.wikimedia.org

The convertiplane seems to be a versatile aircraft for many environments since it can be operated in a heliport and airport, has a high top speed due to the horizontal tilt configuration, and the maneuverability needed in different places.



Cover photo:

Peter Gronemann/commons.wikimedia.org


    19th May 2021

    This blog always brings something new. This also gives me a load of ideas for my blog. Thank you for this consistency.

    Spandan owner: https://aviationblog.in/

  2. Hello, just letting you know in your tanker air refueling blog you have very large inaccuracies. I am in the USAF and work on these planes. If you would like more information to make your blog more accurate, please reach out. Have a blessed day! 🙂

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