정립해야하는 것들

  1. 기존의 운용수단이라는 것의 기준
  2. 운용이라는 것의 기준

그런데 기존의 운용수단과 UAM과 특성차이가 있을텐데, 경제성을 따져야하는지, 가격에 따른 수요를 따져야할지 의논을 해야할 듯.

가격에 따른 수요를 찾기 위한 키워드 - UAM market analysis

https://ntrs.nasa.gov/api/citations/20190001472/downloads/20190001472.pdf

  1. (1)  Conventional Helicopter – Type of rotorcraft in which lift and thrust are supplied by rotors (e.g., Robinson R22)
  2. (2)  Tilt Duct – eVTOL in which a propeller is inside a duct to increase thrust (e.g., Lilium Jet)
  3. (3)  Coaxial Rotor – Rotors are mounted one above the other (e.g., GoFly)
  4. (4)  Lift + Cruise – Has independent thrusters for cruise and lift (e.g., Aurora Flight Sciences)
  5. (5)  Tilt Wing – Aircraft uses a wing that is horizontal for conventional forward flight and rotates up for vertical takeoff and landing (e.g., A3 Vahana)
  6. (6)  Compound Helicopter – Includes helicopter rotor-like system and one or more conventional propellers to provide forward thrust during cruising flight (e.g., HopFlyt)
  7. (7)  TiltRotor–Aircraft type which generates lift and propulsion by way of one or more powered rotors mounted on rotating engine pods or nacelles (e.g., Joby Aviation)

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“We observed that a 5-Seat eVTOL is expected to cost around $6.25 per passenger mile ($ per mile) in the near term with an uncertainty of +/-50%, which was lower than current operated helicopters but higher than all the ground services. However, in the long term, with higher operational efficiency, technology improvement and autonomy can potentially reduce the cost by 60%.”