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Across
  1. 2. are not steerable and drift with the wind
  2. 4. type of helicopter with four rotors
  3. 10. an aircraft that has long fixed wings and no engine and flies by gliding
  4. 11. this jets are designed for ultra long range charters
  5. 12. in the tiltrotor rotors are mounted at the ends of....
  6. 15. type of aircrafts whose are used to generate revenues for their owners
  7. 18. tandem rotor helicopters are mainly use as a large ... helicopters
  8. 19. an aircraft without wings that uses rotating wings called blades to fly
  9. 22. is a protected tail rotor of a helicopter operating like a ducted fan
  10. 23. these type of aircrafts are intended primary for pleasure flying, although advanced models are now used for training
  11. 26. type of aircraft whose is the most economical
  12. 28. component of the propulsion system for an aircraft that generates mechanical power
  13. 29. type of aircraft that carry a small number of passengers
  14. 30. an aircraft which generates lift and propulsion by way of one or more powered rotors mounted on rotating shafts or nacelles.
  15. 31. Helicopter system which avoids the use of a tail rotor. The system uses a fan inside the tail boom to build a high volume of low-pressure air
  16. 32. Also called fenestron
  17. 33. the main point of this component is delete induced drag
  18. 34. an aircraft which generates lift and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating shafts or nacelles usually at the ends of a fixed wing
Down
  1. 1. currently Airbus Helicopters company
  2. 3. type of aircraft able to fly faster than the speed of sound
  3. 5. Aircraft heavier than air the rotor is not driven by a motor, but rotates due to autorotation
  4. 6. Fan inside the tail in NOTAR system is used to utilize the … effect
  5. 7. 737 is the most produced passenger aircrafts
  6. 8. is the main opponent to boeings company
  7. 9. allows aircrafts to stand on the ground
  8. 13. turning in opposite directions in same axis of rotation
  9. 14. enclosed helicopter tail rotor that operates like a ducted fan.
  10. 16. these rotors are a pair of helicopter rotors mounted one above the other
  11. 17. mechanically simple aerial vehicle whose motion is controlled by speeding or slowing multiple downward thrusting motor/propeller units.
  12. 20. Type of aircraft which include all non militarary planes eg. private and business planes and commercial airliners
  13. 21. move is created by the advancing movement of the rotorcraft in relation to the air
  14. 24. this helicopter has two large hoprizontal assemblies mounted one in front of the other
  15. 25. antoher name for Zeppelin
  16. 27. kinds of aircrafts whose powerplants allows higher speeds, but is still economical
  17. 30. type of rotor which balnced the gyroscopic moment generated by main rotor